WO2014119201A1 - Portable terminal, safety confirmation system, safety confirmation method, and safety confirmation program - Google Patents

Portable terminal, safety confirmation system, safety confirmation method, and safety confirmation program Download PDF

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Publication number
WO2014119201A1
WO2014119201A1 PCT/JP2013/084706 JP2013084706W WO2014119201A1 WO 2014119201 A1 WO2014119201 A1 WO 2014119201A1 JP 2013084706 W JP2013084706 W JP 2013084706W WO 2014119201 A1 WO2014119201 A1 WO 2014119201A1
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Prior art keywords
safety
information
seismic intensity
mobile terminal
input screen
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PCT/JP2013/084706
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French (fr)
Japanese (ja)
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博隆 川上
潤子 吉野
怜 平田
伊藤　淳二
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日本電気株式会社
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Priority to JP2014559534A priority Critical patent/JPWO2014119201A1/en
Publication of WO2014119201A1 publication Critical patent/WO2014119201A1/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality

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  • Patent Document 1 discloses a safety confirmation system that collects employee safety information from mobile terminals owned by employees when an earthquake occurs.
  • a safety confirmation notification for requesting to input safety information is transmitted from the server to the portable terminal, and the portable terminal transmits the safety information to the server. That is, in this system, the safety information is collected by the mobile terminal that has received the safety confirmation notification transmitting the safety information to the server.
  • the mobile terminal receives the epicenter information included in the earthquake early warning from the server, and the predicted seismic intensity at the latest position of the terminal based on the seismic source information.
  • a seismic intensity calculating step for calculating the seismic intensity; a seismic intensity determining step for determining whether the predicted seismic intensity calculated in the seismic intensity calculating step is equal to or greater than a predetermined threshold; and
  • a safety input screen display step for displaying a safety input screen for inputting safety information, and a safety information transmission for transmitting the safety information input on the safety input screen to the server Steps.
  • the safety confirmation system 1 exemplarily includes a mobile terminal 10 and a safety confirmation server 20.
  • a mobile terminal 10 for example, a smartphone, a mobile information terminal, or the like is applicable.
  • the mobile terminal 10 physically includes, for example, a CPU (Central Processing Unit), a storage device, an input device, a display device, and an input / output interface.
  • the storage device includes, for example, a ROM (Read Only Memory) that stores programs and data processed by the CPU, a RAM (Random Access Memory) that is used as various work areas for control processing in addition to storing programs and data. including.
  • the CPU executes a program stored in the ROM or RAM, and processes messages received via the input / output interface, operation instructions input from the input device, data expanded in the RAM, and the like, which will be described later.
  • the function of each unit in the mobile terminal 10 is realized.
  • the safety confirmation server 20 physically includes, for example, a CPU, a storage device, and an input / output interface.
  • the storage device includes, for example, a ROM and HDD (Hard Disk Drive) that store programs and data processed by the CPU, and a RAM used mainly as various work areas for control processing. Functions of each unit in the safety confirmation server 20 to be described later by the CPU executing programs stored in the ROM and HDD and processing messages received via the input / output interface, data expanded in the RAM, and the like. Is realized.
  • the epicenter information receiving unit 11 receives the epicenter information from the safety confirmation server 20.
  • the epicenter information is generated using information included in the earthquake early warning distributed from the server of the Japan Meteorological Agency.
  • the epicenter information includes, for example, an earthquake occurrence time, an epicenter location, and an earthquake scale.
  • the location of the epicenter includes latitude, longitude, depth, and the like, and the magnitude of the earthquake includes magnitude, seismic intensity, and the like.
  • the location response unit 12 responds to the safety confirmation server 20 with the latest location information of its own terminal when the epicenter information is received by the epicenter information receiving unit 11.
  • the position information includes, for example, latitude and longitude.
  • the position information is measured constantly or periodically using a GPS (global positioning system) function or the like mounted on the mobile terminal 10 and stored in the memory.
  • GPS global positioning system
  • the seismic intensity calculation unit 13 Based on the epicenter information received from the safety confirmation server 20, the seismic intensity calculation unit 13 has an estimated seismic intensity at the latest position of the terminal, a margin time until the main motion (S wave) reaches the latest position of the terminal, Is calculated.
  • the predicted seismic intensity and margin time can be calculated using a known calculation method. Below, an example is given and demonstrated about the calculation method which calculates an estimated seismic intensity and margin time.
  • the predicted seismic intensity can be calculated by the following procedure, for example.
  • the maximum speed on the reference board is calculated using the maximum speed distance attenuation formula shown in the following formula (1).
  • PGV 600 in the equation (1) is the maximum velocity (cm / s) at the reference base (S wave velocity 600 m / S), Mw is the moment magnitude, and D is the depth of the hypocenter (km).
  • X is the shortest fault distance (km).
  • log (PGV 600 ) 0.58 Mw + 0.0038D-1.29-log (X + 0.0028 ⁇ 10 0.50 Mw )-0.002X (1)
  • the maximum speed at the latest position is calculated using the following equation (2).
  • PGV in the formula (2) is the maximum speed (cm / s) on the ground surface
  • ARVi is the speed amplification degree. This speed amplification degree can be obtained by using “500 m mesh topographic classification data” prepared and provided by National Institute for Disaster Prevention and Kogakuin University.
  • PGV ARVi ⁇ 1.31 ⁇ PGV 600 (2)
  • Equation (3) is a relational expression between the maximum speed PGV on the ground surface and the measured seismic intensity I INSTR , using the maximum speed PGV on the ground surface obtained by the above formula (2).
  • Equation (3) is applied when the measured seismic intensity I INSTR is in the range of 4 ⁇ I INSTR ⁇ 7.
  • I INSTR 2.68 + 1.72 log (PGV) ⁇ 0.21 (3)
  • the margin time at the latest position can be calculated by the following procedure, for example.
  • the epicenter distance is calculated using the latitude and longitude of the epicenter and the latitude and longitude of the latest position.
  • the predicted time at which the main motion (S wave) arrives at the latest position is obtained using the epicenter distance, the depth of the epicenter, the occurrence time of the earthquake, and the travel time table issued by the Japan Meteorological Agency.
  • a margin time until the main motion arrives is obtained from the difference between the expected time of arrival of the main motion (S wave) and the current time.
  • the seismic intensity determination unit 14 determines whether or not the predicted seismic intensity calculated by the seismic intensity calculation unit 13 is equal to or greater than a predetermined threshold.
  • This threshold value can be set based on the seismic intensity that requires safety confirmation, and the setting value may be arbitrarily changed by the user.
  • the safety input screen display unit 15 displays a safety input screen for inputting safety information on the display when the seismic intensity determination unit 14 determines that the predicted seismic intensity is greater than or equal to the threshold value.
  • This safety input screen may be provided with at least an item for inputting safety information.
  • the safety input screen display unit 15 may change the items displayed on the safety input screen according to the job title of the user. For example, if the user is a manager, add an item for inputting information to the subordinates, and send the information input in this item to all registered subordinates by e-mail. It is good. In addition, if the user is a non-managerial position, add an item for inputting information to the supervisor, and send the information entered in this item to the registered supervisor by e-mail. It is good. Thereby, the information transmission between the boss and a subordinate at the time of a disaster can be promoted.
  • the safety information transmission unit 16 transmits the safety information input on the safety input screen to the safety confirmation server 20 when the input on the safety input screen is confirmed.
  • an e-mail may be used, or a service using the Internet such as SNS (social networking service) may be used.
  • SNS social networking service
  • the message display unit 17 displays a message for calling attention according to the latest position of the terminal itself. This will be specifically described. For example, when the latest position of the terminal is near the coast, a message for calling attention to the tsunami warning is displayed. In addition, when the latest position of the terminal is near a facility that may cause danger, a message for calling attention to the dangerous facility is displayed. For example, a nuclear power plant, a chemical plant, a petroleum complex, or the like corresponds to a facility that can cause danger.
  • the message display unit 17 determines that the predicted seismic intensity is less than the threshold by the seismic intensity determination unit 14, if a large earthquake occurs at a location far from the latest position of the terminal, It is good also as displaying the message for calling attention with respect to the great earthquake in a distant place.
  • the message display unit 17 When the message display unit 17 receives various requests from the safety confirmation server 20, the message display unit 17 displays a message for informing the user of the contents of the various requests on the display. More specifically, for example, when a request to activate the safety input screen is received, a message prompting activation of the safety input screen is displayed. When a position information transmission request or a GPS function ON request is received, a message indicating that the position information has not been transmitted is displayed.
  • the safety confirmation server 20 functionally includes, for example, an earthquake early warning reception unit 21, an epicenter information transmission unit 22, a position information reception unit 23, a safety information reception unit 24, and a request.
  • a determination unit 25 and a request transmission unit 26 are included.
  • the earthquake early warning receiving unit 21 receives an earthquake early warning distributed from a server of the Japan Meteorological Agency.
  • the earthquake source information transmitting unit 22 transmits the earthquake source information included in the earthquake early warning to the mobile terminal 10.
  • the location information receiving unit 23 receives the latest location information of the mobile terminal 10 and stores the received location information in the location information database 27.
  • the safety information receiving unit 24 receives the safety information input from the mobile terminal 10 and stores the received safety information in the safety information database 28.
  • the request determination unit 25 determines a request to be issued to the mobile terminal 10 based on the position information scheduled to be received from the mobile terminal 10 after transmission of the epicenter information and the reception status of the safety information. Specifically, the request determination unit 25 periodically receives the location information and the safety information from each mobile terminal 10 by referring to the location information database 27 and the safety information database 28 after the epicenter information is transmitted. It is determined whether or not. If the request determination unit 25 receives the position information from the mobile terminal 10 and determines that the safety information is not received, the request determination unit 25 issues a request to be issued to the mobile terminal 10, the activation request for the safety input screen, and the position Decide on information retransmission request.
  • the request determination unit 25 determines that the position information is not received from the mobile terminal 10 and the safety information is received, the request determination unit 25 transmits a request to the mobile terminal 10 to transmit the position information. Request or GPS function ON request is determined. Furthermore, if the request determination unit 25 determines that neither the position information nor the safety information has been received from the mobile terminal 10, the request determination unit 25 issues a request to be issued to the mobile terminal 10, an activation request for the safety input screen, and The position information transmission request and the GPS function ON request are determined.
  • the request transmission unit 26 transmits various requests determined by the request determination unit 25 to the mobile terminal 10.
  • the earthquake early warning receiving unit 21 of the safety confirmation server 20 receives the emergency earthquake early warning (step S101)
  • the earthquake source information transmitting unit 22 of the safety confirmation server 20 transmits the earthquake source information included in the emergency earthquake early warning to the mobile terminal. 10 (step S102).
  • the epicenter information receiver 11 of the mobile terminal 10 receives the epicenter information.
  • the position response unit 12 of the mobile terminal 10 responds to the safety confirmation server 20 with the latest position information of the own terminal (step S103).
  • the location information receiving unit 23 of the safety confirmation server 20 receives the latest location information of the mobile terminal 10.
  • the seismic intensity calculation unit 13 of the mobile terminal 10 determines the expected seismic intensity at the latest position of the terminal itself and the allowance time until the main motion (S wave) reaches the latest position of the terminal based on the received epicenter information. Are calculated (step S105).
  • the seismic intensity determination unit 14 of the mobile terminal 10 determines whether or not the calculated predicted seismic intensity is equal to or greater than a predetermined threshold (step S106). If this determination is NO (step S106; NO), this operation ends.
  • step S106 when it is determined in step S106 that the predicted seismic intensity is equal to or greater than the threshold (step S106; YES), the safety input screen display unit 15 of the mobile terminal 10 is a safety input screen for inputting safety information. Is displayed on the display (step S107).
  • the safety information transmitting unit 16 of the mobile terminal 10 transmits the safety information input on the safety input screen to the safety confirmation server 20 (step S108).
  • the safety information receiving unit 24 of the safety confirmation server 20 receives the safety information.
  • the safety information receiving unit 24 of the safety confirmation server 20 stores the received safety information in the safety information database 28 (step S109).
  • the epicenter information receiving unit 11 of the mobile terminal 10 receives the epicenter information included in the emergency earthquake bulletin from the safety confirmation server 20, and the position response unit 12 is By responding to the safety confirmation server 20 with the latest location information of the terminal itself, the latest location information of each portable terminal 10 can be obtained when the network immediately after the earthquake early warning is distributed is not crowded. 20 can be transmitted.
  • the seismic intensity calculation unit 13 of the mobile terminal 10 calculates the predicted seismic intensity at the latest position of the terminal based on the epicenter information, and the seismic intensity determination unit 14 determines whether or not the predicted seismic intensity is equal to or greater than the threshold, When the seismic intensity is equal to or greater than the threshold value, the safety input screen display unit 15 displays a safety input screen for inputting safety information, and the safety information transmission unit 16 confirms the safety information input on the safety input screen.
  • the mobile terminal 10 By transmitting to the server 20, when the predicted seismic intensity is greater than or equal to the threshold, the mobile terminal 10 voluntarily prompts the user to input safety information and transmits the input safety information to the safety confirmation server 20. it can.
  • the safety confirmation system 1 in the embodiment it is possible to improve the accuracy of safety confirmation when an earthquake occurs.
  • the mobile terminal 10 may activate an application (for example, a one-segment application) registered in advance by the user.
  • an application for example, a one-segment application
  • the mobile terminal 10 requests the safety confirmation server 20 to transmit the location information and safety information of the user's colleagues, and the request Accordingly, the position information and the safety information transmitted from the safety confirmation server 20 may be displayed on the display.
  • FIG. 3 is a diagram illustrating a minimum configuration of the mobile terminal 10 according to the present invention.
  • FIG. 4 is a diagram illustrating a minimum configuration of the safety confirmation server 20 included in the safety confirmation system 1 according to the present invention.
  • the mobile terminal 10 is functionally configured to include at least an epicenter information receiving unit 11, a seismic intensity calculating unit 13, a seismic intensity determining unit 14, a safety input screen display unit 15, and a safety information transmitting unit 16. As long as it has.
  • the safety confirmation server 20 functionally includes at least an epicenter information transmission unit 22, a position information reception unit 23, a safety information reception unit 24, a request determination unit 25, and a request transmission unit 26. As long as it has.
  • An epicenter information receiving unit that receives the epicenter information included in the earthquake early warning from a server, a seismic intensity calculating unit that calculates an expected seismic intensity at the latest location of the terminal based on the seismic source information, and the seismic intensity calculating unit
  • the seismic intensity determination unit for determining whether or not the predicted seismic intensity calculated by the method is greater than or equal to a predetermined threshold, and safety information when the predicted seismic intensity is determined to be greater than or equal to the threshold by the seismic intensity determination unit
  • a safety input screen display unit for displaying a safety input screen for inputting the safety information
  • a safety information transmission unit for transmitting the safety information input on the safety input screen to the server.
  • Supplementary note 3 The mobile terminal according to Supplementary note 1 or 2, further comprising a message display unit for displaying a message for calling attention according to the latest position of the terminal itself.
  • a location response unit that responds to the server with the latest location information of the terminal itself; an epicenter information transmission unit that transmits the epicenter information to the mobile terminal when the server receives an emergency earthquake bulletin; and A position information receiving unit for receiving the position information from the portable terminal; a safety information receiving unit for receiving the safety information from the portable terminal; and the position information scheduled to be received from the portable terminal after transmitting the epicenter information; Based on the reception status of the safety information, a request determination unit that determines a request to be issued to the mobile terminal, and transmits the request determined by the request determination unit to the mobile terminal With a determined transmitting unit, wherein the portable terminal displays a message corresponding to the request, the safety confirmation system characterized in that.
  • An epicenter information receiving step in which the mobile terminal receives the epicenter information included in the emergency earthquake bulletin from the server, a seismic intensity calculating step for calculating an expected seismic intensity at the latest position of the terminal based on the seismic source information, When it is determined that the predicted seismic intensity calculated in the seismic intensity calculation step is greater than or equal to a predetermined threshold, and the predicted seismic intensity is greater than or equal to the threshold in the seismic intensity determination step
  • a safety input screen display step for displaying a safety input screen for inputting safety information
  • a safety information transmission step for transmitting the safety information input on the safety input screen to the server.
  • Safety confirmation method is a safety confirmation method.
  • a safety information receiving step a request determination step for determining a request to be issued to the mobile terminal based on the location information scheduled to be received from the mobile terminal after transmission of the epicenter information and the reception status of the safety information;
  • Safety confirmation method according to any one of Appendixes 5-7 the step of displaying a message corresponding to the request, further comprising, characterized in that.
  • An epicenter information receiving step for receiving epicenter information included in the emergency earthquake bulletin from a server, a seismic intensity calculating step for calculating an expected seismic intensity at the latest position of the terminal based on the seismic source information, A seismic intensity determination step for determining whether the predicted seismic intensity calculated in the seismic intensity calculation step is greater than or equal to a predetermined threshold; and when the predicted seismic intensity is determined to be greater than or equal to the threshold in the seismic intensity determination step
  • a safety input screen display step for displaying a safety input screen for inputting safety information
  • a safety information transmission step for transmitting the safety information input on the safety input screen to the server.

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Abstract

In order to improve the accuracy of safety confirmation when an earthquake occurs, a portable terminal is provided with: an earthquake source information reception unit (11) which receives earthquake source information included in an earthquake early warning from a server; an earthquake intensity calculation unit (13) which calculates an anticipated earthquake intensity in the latest position of the terminal on the basis of the earthquake source information; an earthquake intensity determination unit (14) which determines whether or not the anticipated earthquake intensity calculated by the earthquake intensity calculation unit (13) is a predetermined threshold or more; a safety input screen display unit (15) which, when the earthquake intensity determination unit (14) has determined that the anticipated earthquake intensity is the threshold or more, displays a safety input screen for inputting safety information thereto; and a safety information transmission unit (16) which transmits the safety information inputted to the safety input screen to the server.

Description

携帯端末、安否確認システム、安否確認方法および安否確認プログラムPortable terminal, safety confirmation system, safety confirmation method and safety confirmation program
　本発明は、携帯端末、安否確認システム、安否確認方法および安否確認プログラムに関する。 The present invention relates to a mobile terminal, a safety confirmation system, a safety confirmation method, and a safety confirmation program.
　地震が発生したときに、社員が所持する携帯端末から社員の安否情報を収集する安否確認システムが、下記特許文献１に記載されている。この安否確認システムでは、安否情報を入力するように要求するための安否確認通知を、サーバから携帯端末に送信し、携帯端末が安否情報をサーバに送信している。つまり、このシステムでは、安否確認通知を受信した携帯端末が安否情報をサーバに送信することで、安否情報を収集している。 Patent Document 1 below discloses a safety confirmation system that collects employee safety information from mobile terminals owned by employees when an earthquake occurs. In this safety confirmation system, a safety confirmation notification for requesting to input safety information is transmitted from the server to the portable terminal, and the portable terminal transmits the safety information to the server. That is, in this system, the safety information is collected by the mobile terminal that has received the safety confirmation notification transmitting the safety information to the server.
特開２００５－２５８６３８号公報JP 2005-258638 A
　ところで、東日本大震災のような大地震が発生したときには、ネットワークが混み合い、通信回線が繋がり難くなることが確認されている。したがって、特許文献１に記載の安否確認システムでは、大地震発生時に、サーバが送信した安否確認通知を携帯端末が受信できない事態や、携帯端末が送信した安否情報をサーバが受信できない事態が生じ、安否情報の収集が困難になることが想定される。また、安否確認通知を確認して、ユーザ自身でメールを起動することや、Ｗｅｂにアクセスすることが必要になるため、手間がかかる。 By the way, it has been confirmed that when a large earthquake such as the Great East Japan Earthquake occurs, the network is crowded and it is difficult to connect the communication line. Therefore, in the safety confirmation system described in Patent Document 1, when a large earthquake occurs, a situation where the mobile terminal cannot receive the safety confirmation notification transmitted by the server, or a situation where the server cannot receive the safety information transmitted by the mobile terminal, It is assumed that it will be difficult to collect safety information. Moreover, it is necessary to confirm the safety confirmation notification, start the mail by itself, and access the Web.
　本発明は、上述した課題を解決するためになされたものであり、地震発生時の安否確認の精度を向上させることができる携帯端末、安否確認システム、安否確認方法および安否確認プログラムを提供することを目的の一つとする。 The present invention has been made to solve the above-described problems, and provides a mobile terminal, a safety confirmation system, a safety confirmation method, and a safety confirmation program that can improve the accuracy of safety confirmation when an earthquake occurs. Is one of the purposes.
　本発明の一態様である携帯端末は、緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信部と、前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出部と、前記震度算出部により算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定部と、前記震度判定部により前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示部と、前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信部と、を備える。 A mobile terminal according to an aspect of the present invention includes an epicenter information receiving unit that receives seismic source information included in an emergency earthquake warning from a server, and a seismic intensity calculation that calculates an expected seismic intensity at the latest position of the terminal based on the seismic source information A seismic intensity determining unit that determines whether the predicted seismic intensity calculated by the seismic intensity calculating unit is greater than or equal to a predetermined threshold, and the seismic intensity determining unit determines that the expected seismic intensity is greater than or equal to the threshold A safety input screen display unit that displays a safety input screen for inputting safety information, and a safety information transmission unit that transmits the safety information input on the safety input screen to the server. .
　本発明の一態様である安否確認システムは、前記携帯端末と前記サーバとを備える安否確認システムであって、前記携帯端末が、前記震源情報受信部により前記震源情報が受信されたときに、自端末の最新の位置情報を前記サーバに応答する位置応答部を、さらに備え、前記サーバが、緊急地震速報を受信したときに、前記震源情報を前記携帯端末に送信する震源情報送信部と、前記位置情報を前記携帯端末から受信する位置情報受信部と、前記安否情報を前記携帯端末から受信する安否情報受信部と、前記震源情報の送信後に前記携帯端末から受信する予定の前記位置情報および前記安否情報の受信状況に基づいて、前記携帯端末に発行する要求を決定する要求決定部と、前記要求決定部により決定された前記要求を前記携帯端末に送信する要求送信部と、を備え、前記携帯端末が、前記要求に応じたメッセージを表示する。 A safety confirmation system according to an aspect of the present invention is a safety confirmation system including the mobile terminal and the server, and the mobile terminal automatically receives the epicenter information when the epicenter information receiving unit receives the epicenter information. A location response unit that responds to the server with the latest location information of the terminal, and when the server receives an earthquake early warning, an epicenter information transmission unit that transmits the epicenter information to the mobile terminal; and A position information receiving unit for receiving position information from the portable terminal; a safety information receiving unit for receiving the safety information from the portable terminal; the position information scheduled to be received from the portable terminal after transmitting the epicenter information; and Based on the reception status of the safety information, a request determination unit that determines a request to be issued to the mobile terminal, and transmits the request determined by the request determination unit to the mobile terminal It includes a request transmitting unit that, the, the portable terminal displays a message corresponding to the request.
　本発明の一態様である安否確認方法は、携帯端末が、緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信ステップと、前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出ステップと、前記震度算出ステップにおいて算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定ステップと、前記震度判定ステップにおいて前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示ステップと、前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信ステップと、を含む。 In the safety confirmation method according to one aspect of the present invention, the mobile terminal receives the epicenter information included in the earthquake early warning from the server, and the predicted seismic intensity at the latest position of the terminal based on the seismic source information. A seismic intensity calculating step for calculating the seismic intensity; a seismic intensity determining step for determining whether the predicted seismic intensity calculated in the seismic intensity calculating step is equal to or greater than a predetermined threshold; and When it is determined as above, a safety input screen display step for displaying a safety input screen for inputting safety information, and a safety information transmission for transmitting the safety information input on the safety input screen to the server Steps.
　本発明の一態様である安否確認プログラムは、コンピュータに、緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信ステップと、前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出ステップと、前記震度算出ステップにおいて算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定ステップと、前記震度判定ステップにおいて前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示ステップと、前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信ステップと、を実行させる。 The safety confirmation program according to one aspect of the present invention is a computer that receives an epicenter information reception step of receiving seismic source information included in the earthquake early warning from a server, and the predicted seismic intensity at the latest position of the terminal based on the seismic source information. A seismic intensity calculating step to calculate; a seismic intensity determining step for determining whether or not the predicted seismic intensity calculated in the seismic intensity calculating step is equal to or greater than a predetermined threshold; and the predicted seismic intensity is equal to or greater than the threshold in the seismic intensity determining step A safety input screen display step for displaying a safety input screen for inputting safety information, and a safety information transmission step for transmitting the safety information input on the safety input screen to the server. And execute.
　本発明によれば、地震発生時の安否確認の精度を向上させることができる。 According to the present invention, the accuracy of safety confirmation when an earthquake occurs can be improved.
実施形態における安否確認システムの構成を例示する図である。It is a figure which illustrates the composition of the safety confirmation system in an embodiment. 位置情報および安否情報を安否確認サーバに登録する際の動作を説明するためのフローチャートである。It is a flowchart for demonstrating the operation | movement at the time of registering a positional information and safety information in a safety confirmation server. 本発明に係る携帯端末の最小構成を例示する図である。It is a figure which illustrates the minimum structure of the portable terminal which concerns on this invention. 本発明に係る安否確認システムに含まれる安否確認サーバの最小構成を例示する図である。It is a figure which illustrates the minimum structure of the safety confirmation server contained in the safety confirmation system which concerns on this invention.
　以下、添付図面を参照して、本発明に係る携帯端末、安否確認システム、安否確認方法および安否確認プログラムの好適な実施形態について説明する。 Hereinafter, preferred embodiments of a mobile terminal, a safety confirmation system, a safety confirmation method, and a safety confirmation program according to the present invention will be described with reference to the accompanying drawings.
　まず、図１を参照して、実施形態における安否確認システムの構成について説明する。安否確認システム１は、例示的に、携帯端末１０と、安否確認サーバ２０とを備える。携帯端末１０としては、例えば、スマートフォンや携帯情報端末等が該当する。 First, the configuration of the safety confirmation system in the embodiment will be described with reference to FIG. The safety confirmation system 1 exemplarily includes a mobile terminal 10 and a safety confirmation server 20. As the mobile terminal 10, for example, a smartphone, a mobile information terminal, or the like is applicable.
　ここで、携帯端末１０は、物理的には、例えば、ＣＰＵ（Central Processing Unit）と、記憶装置と、入力装置と、ディスプレイ装置と、入出力インターフェースとを含む。記憶装置は、例えば、ＣＰＵで処理されるプログラムやデータを記憶するＲＯＭ（Read Only Memory）、プログラムやデータを記憶する他、制御処理のための各種作業領域として使用するＲＡＭ（Random Access Memory）等を含む。ＣＰＵが、ＲＯＭやＲＡＭに記憶されたプログラムを実行し、入出力インターフェースを介して受信されるメッセージや、入力装置から入力される操作指示、ＲＡＭに展開されるデータ等を処理することで、後述する携帯端末１０における各部の機能を実現する。 Here, the mobile terminal 10 physically includes, for example, a CPU (Central Processing Unit), a storage device, an input device, a display device, and an input / output interface. The storage device includes, for example, a ROM (Read Only Memory) that stores programs and data processed by the CPU, a RAM (Random Access Memory) that is used as various work areas for control processing in addition to storing programs and data. including. The CPU executes a program stored in the ROM or RAM, and processes messages received via the input / output interface, operation instructions input from the input device, data expanded in the RAM, and the like, which will be described later. The function of each unit in the mobile terminal 10 is realized.
　また、安否確認サーバ２０は、物理的には、例えば、ＣＰＵと、記憶装置と、入出力インターフェースとを含む。記憶装置は、例えば、ＣＰＵで処理されるプログラムおよびデータを記憶するＲＯＭやＨＤＤ（Hard Disk Drive）、主として制御処理のための各種作業領域として使用するＲＡＭ等を含む。ＣＰＵが、ＲＯＭやＨＤＤに記憶されたプログラムを実行し、入出力インターフェースを介して受信されるメッセージや、ＲＡＭに展開されるデータ等を処理することで、後述する安否確認サーバ２０における各部の機能を実現する。 The safety confirmation server 20 physically includes, for example, a CPU, a storage device, and an input / output interface. The storage device includes, for example, a ROM and HDD (Hard Disk Drive) that store programs and data processed by the CPU, and a RAM used mainly as various work areas for control processing. Functions of each unit in the safety confirmation server 20 to be described later by the CPU executing programs stored in the ROM and HDD and processing messages received via the input / output interface, data expanded in the RAM, and the like. Is realized.
　図１を参照して、携帯端末１０および安否確認サーバ２０の機能構成についてそれぞれ説明する。 Referring to FIG. 1, functional configurations of the mobile terminal 10 and the safety confirmation server 20 will be described.
　図１に示すように、携帯端末１０は、機能的には、例えば、震源情報受信部１１と、位置応答部１２と、震度算出部１３と、震度判定部１４と、安否入力画面表示部１５と、安否情報送信部１６と、メッセージ表示部１７と、を有する。 As shown in FIG. 1, the mobile terminal 10 functionally includes, for example, an epicenter information receiving unit 11, a position response unit 12, a seismic intensity calculation unit 13, a seismic intensity determination unit 14, and a safety input screen display unit 15. And a safety information transmission unit 16 and a message display unit 17.
　震源情報受信部１１は、震源情報を安否確認サーバ２０から受信する。震源情報は、気象庁のサーバから配信される緊急地震速報に含まれる情報を用いて生成する。震源情報には、例えば、地震発生時刻、震源位置および地震規模が含まれる。震源位置には、緯度や経度、深さ等が含まれ、地震規模には、マグニチュードや震度等が含まれる。 The epicenter information receiving unit 11 receives the epicenter information from the safety confirmation server 20. The epicenter information is generated using information included in the earthquake early warning distributed from the server of the Japan Meteorological Agency. The epicenter information includes, for example, an earthquake occurrence time, an epicenter location, and an earthquake scale. The location of the epicenter includes latitude, longitude, depth, and the like, and the magnitude of the earthquake includes magnitude, seismic intensity, and the like.
　位置応答部１２は、震源情報受信部１１により震源情報が受信されたときに、自端末の最新の位置情報を安否確認サーバ２０に応答する。位置情報には、例えば、緯度や経度等が含まれる。位置情報は、例示的に、携帯端末１０に搭載されているＧＰＳ（global positioning system）機能等を用いて常時または定期的に測定し、メモリに記憶する。 The location response unit 12 responds to the safety confirmation server 20 with the latest location information of its own terminal when the epicenter information is received by the epicenter information receiving unit 11. The position information includes, for example, latitude and longitude. For example, the position information is measured constantly or periodically using a GPS (global positioning system) function or the like mounted on the mobile terminal 10 and stored in the memory.
　震度算出部１３は、安否確認サーバ２０から受信した震源情報に基づいて、自端末の最新位置における予想震度と、自端末の最新位置に主要動（Ｓ波）が到達するまでの余裕時間と、を算出する。予想震度および余裕時間は、公知の計算方法を用いて算出することができる。以下に、予想震度および余裕時間を算出する計算方法について、一例を挙げて説明する。 Based on the epicenter information received from the safety confirmation server 20, the seismic intensity calculation unit 13 has an estimated seismic intensity at the latest position of the terminal, a margin time until the main motion (S wave) reaches the latest position of the terminal, Is calculated. The predicted seismic intensity and margin time can be calculated using a known calculation method. Below, an example is given and demonstrated about the calculation method which calculates an estimated seismic intensity and margin time.
　まず、予想震度は、例示的に、以下の手順で算出することができる。最初に、基準基盤上での最大速度を、下記式（１）に示す最大速度距離減衰式を用いて算出する。ここで、式（１）のＰＧＶ６００は基準基盤（Ｓ波速度６００ｍ／Ｓ）での最大速度（ｃｍ／ｓ）であり、Ｍｗはモーメントマグニチュードであり、Ｄは震源の深さ（ｋｍ）であり、Ｘは断層最短距離（ｋｍ）である。
　ｌｏｇ（ＰＧＶ６００） ＝ ０．５８Ｍｗ ＋ ０．００３８Ｄ － １．２９ － ｌｏｇ（Ｘ ＋ ０．００２８ × １００．５０Ｍｗ） － ０．００２Ｘ　…（１） First, the predicted seismic intensity can be calculated by the following procedure, for example. First, the maximum speed on the reference board is calculated using the maximum speed distance attenuation formula shown in the following formula (1). Here, PGV 600 in the equation (1) is the maximum velocity (cm / s) at the reference base (S wave velocity 600 m / S), Mw is the moment magnitude, and D is the depth of the hypocenter (km). Yes, X is the shortest fault distance (km).
log (PGV 600 ) = 0.58 Mw + 0.0038D-1.29-log (X + 0.0028 × 10 0.50 Mw )-0.002X (1)
　続いて、最新位置における最大速度を、下記式（２）を用いて算出する。ここで、式（２）のＰＧＶは地表での最大速度（ｃｍ／ｓ）であり、ＡＲＶｉは速度増幅度である。この速度増幅度は、防災科研と工学院大学とが作成し提供している「５００ｍメッシュ地形分類データ」を用いることで求めることができる。
　ＰＧＶ ＝ ＡＲＶｉ × １．３１ × ＰＧＶ６００　…（２） Subsequently, the maximum speed at the latest position is calculated using the following equation (2). Here, PGV in the formula (2) is the maximum speed (cm / s) on the ground surface, and ARVi is the speed amplification degree. This speed amplification degree can be obtained by using “500 m mesh topographic classification data” prepared and provided by National Institute for Disaster Prevention and Kogakuin University.
PGV = ARVi × 1.31 × PGV 600 (2)
　続いて、上記式（２）で求めた地表での最大速度ＰＧＶを用いて、地表における最大速度ＰＧＶと計測震度ＩＩＮＳＴＲとの関係式である、下記式（３）を用いて予想震度を算出する。式（３）は、計測震度ＩＩＮＳＴＲが、４ ＜ ＩＩＮＳＴＲ ＜ ７の範囲で適用されるものである。
　ＩＩＮＳＴＲ ＝ ２．６８ ＋ １．７２ｌｏｇ（ＰＧＶ） ± ０．２１　…（３） Subsequently, the predicted seismic intensity is calculated using the following formula (3), which is a relational expression between the maximum speed PGV on the ground surface and the measured seismic intensity I INSTR , using the maximum speed PGV on the ground surface obtained by the above formula (2). To do. Equation (3) is applied when the measured seismic intensity I INSTR is in the range of 4 <I INSTR <7.
I INSTR = 2.68 + 1.72 log (PGV) ± 0.21 (3)
　次に、最新位置における余裕時間は、例示的に、以下の手順で算出することができる。最初に、震源の緯度、経度と、最新位置の緯度、経度とを用いて、震央距離を算出する。続いて、震央距離と、震源の深さと、地震の発生時刻と、気象庁が発行する走時表とを用いて、最新位置に主要動（Ｓ波）が到着する予想時刻を求める。 Next, the margin time at the latest position can be calculated by the following procedure, for example. First, the epicenter distance is calculated using the latitude and longitude of the epicenter and the latitude and longitude of the latest position. Subsequently, the predicted time at which the main motion (S wave) arrives at the latest position is obtained using the epicenter distance, the depth of the epicenter, the occurrence time of the earthquake, and the travel time table issued by the Japan Meteorological Agency.
　続いて、主要動（Ｓ波）到着の予想時刻と現在時刻との差から、主要動が到着するまでの余裕時間を求める。 Subsequently, a margin time until the main motion arrives is obtained from the difference between the expected time of arrival of the main motion (S wave) and the current time.
　震度判定部１４は、震度算出部１３により算出された予想震度が、予め定めた閾値以上であるか否かを判定する。この閾値は、安否確認が必要となる震度を基準にして設定することができ、この設定値をユーザが任意に変更できることとしてもよい。 The seismic intensity determination unit 14 determines whether or not the predicted seismic intensity calculated by the seismic intensity calculation unit 13 is equal to or greater than a predetermined threshold. This threshold value can be set based on the seismic intensity that requires safety confirmation, and the setting value may be arbitrarily changed by the user.
　安否入力画面表示部１５は、震度判定部１４により予想震度が閾値以上であると判定された場合に、安否情報を入力するための安否入力画面をディスプレイに表示させる。この安否入力画面には、少なくとも安否情報を入力するための項目が設けられていればよい。 The safety input screen display unit 15 displays a safety input screen for inputting safety information on the display when the seismic intensity determination unit 14 determines that the predicted seismic intensity is greater than or equal to the threshold value. This safety input screen may be provided with at least an item for inputting safety information.
　なお、安否入力画面表示部１５は、ユーザの役職に応じて安否入力画面に表示する項目を変更することとしてもよい。例えば、ユーザが管理職である場合には、部下への伝達事項等を入力するための項目を追加し、この項目に入力された伝達事項を、登録されている部下全員にメールで送信することとしてもよい。また、ユーザが非管理職である場合には、上司への伝達事項等を入力するための項目を追加し、この項目に入力された伝達事項を、登録されている上司にメールで送信することとしてもよい。これにより、災害時における上司と部下との間の情報伝達を促進できる。 Note that the safety input screen display unit 15 may change the items displayed on the safety input screen according to the job title of the user. For example, if the user is a manager, add an item for inputting information to the subordinates, and send the information input in this item to all registered subordinates by e-mail. It is good. In addition, if the user is a non-managerial position, add an item for inputting information to the supervisor, and send the information entered in this item to the registered supervisor by e-mail. It is good. Thereby, the information transmission between the boss and a subordinate at the time of a disaster can be promoted.
　安否情報送信部１６は、安否入力画面での入力が確定した場合に、安否入力画面に入力された安否情報を安否確認サーバ２０に送信する。安否情報を送信する手段として、例示的に、電子メールを用いてもよいし、ＳＮＳ（social networking service）等のようにインターネットを利用したサービスを用いてもよい。 The safety information transmission unit 16 transmits the safety information input on the safety input screen to the safety confirmation server 20 when the input on the safety input screen is confirmed. As means for transmitting the safety information, for example, an e-mail may be used, or a service using the Internet such as SNS (social networking service) may be used.
　メッセージ表示部１７は、震度判定部１４により予想震度が閾値以上であると判定された場合に、自端末の最新位置に応じて注意を喚起するためのメッセージをディスプレイに表示させる。具体的に説明する。例えば、自端末の最新位置が海岸付近である場合には、津波警報に対して注意を喚起するためのメッセージを表示する。また、自端末の最新位置が危険を及ぼし得る施設付近である場合には、危険な施設に対して注意を喚起するためのメッセージを表示する。危険を及ぼし得る施設としては、例えば、原子力発電所や、化学プラント、石油コンビナート等が該当する。 When the seismic intensity determination unit 14 determines that the predicted seismic intensity is greater than or equal to the threshold, the message display unit 17 displays a message for calling attention according to the latest position of the terminal itself. This will be specifically described. For example, when the latest position of the terminal is near the coast, a message for calling attention to the tsunami warning is displayed. In addition, when the latest position of the terminal is near a facility that may cause danger, a message for calling attention to the dangerous facility is displayed. For example, a nuclear power plant, a chemical plant, a petroleum complex, or the like corresponds to a facility that can cause danger.
　また、メッセージ表示部１７は、震度判定部１４により予想震度が閾値未満であると判定された場合であっても、自端末の最新位置から遠く離れた場所で大地震が発生する場合には、遠方での大地震に対して注意を喚起するためのメッセージを表示することとしてもよい。 In addition, even if the message display unit 17 determines that the predicted seismic intensity is less than the threshold by the seismic intensity determination unit 14, if a large earthquake occurs at a location far from the latest position of the terminal, It is good also as displaying the message for calling attention with respect to the great earthquake in a distant place.
　メッセージ表示部１７は、安否確認サーバ２０から各種要求を受信した場合に、その各種要求の内容をユーザに知らせるためのメッセージをディスプレイに表示させる。具体的に説明すると、例えば、安否入力画面の起動要求を受信した場合には、安否入力画面の起動を促すメッセージを表示する。また、位置情報の送信要求やＧＰＳ機能のＯＮ要求を受信した場合には、位置情報が未送信である旨のメッセージを表示する。 When the message display unit 17 receives various requests from the safety confirmation server 20, the message display unit 17 displays a message for informing the user of the contents of the various requests on the display. More specifically, for example, when a request to activate the safety input screen is received, a message prompting activation of the safety input screen is displayed. When a position information transmission request or a GPS function ON request is received, a message indicating that the position information has not been transmitted is displayed.
　図１に示すように、安否確認サーバ２０は、機能的には、例えば、緊急地震速報受信部２１と、震源情報送信部２２と、位置情報受信部２３と、安否情報受信部２４と、要求決定部２５と、要求送信部２６と、を有する。 As shown in FIG. 1, the safety confirmation server 20 functionally includes, for example, an earthquake early warning reception unit 21, an epicenter information transmission unit 22, a position information reception unit 23, a safety information reception unit 24, and a request. A determination unit 25 and a request transmission unit 26 are included.
　緊急地震速報受信部２１は、気象庁のサーバから配信される緊急地震速報を受信する。震源情報送信部２２は、緊急地震速報を受信した場合に、緊急地震速報に含まれる震源情報を携帯端末１０に送信する。 The earthquake early warning receiving unit 21 receives an earthquake early warning distributed from a server of the Japan Meteorological Agency. When receiving the earthquake early warning, the earthquake source information transmitting unit 22 transmits the earthquake source information included in the earthquake early warning to the mobile terminal 10.
　位置情報受信部２３は、携帯端末１０の最新の位置情報を受信し、受信した位置情報を位置情報データベース２７に保存する。安否情報受信部２４は、携帯端末１０で入力された安否情報を受信し、受信した安否情報を安否情報データベース２８に保存する。 The location information receiving unit 23 receives the latest location information of the mobile terminal 10 and stores the received location information in the location information database 27. The safety information receiving unit 24 receives the safety information input from the mobile terminal 10 and stores the received safety information in the safety information database 28.
　要求決定部２５は、震源情報の送信後に携帯端末１０から受信する予定の位置情報および安否情報の受信状況に基づいて、携帯端末１０に発行する要求を決定する。具体的に説明すると、要求決定部２５は、震源情報が送信された後、定期的に、位置情報データベース２７および安否情報データベース２８を参照し、各携帯端末１０から位置情報および安否情報を受信しているか否かを判定する。要求決定部２５は、携帯端末１０から、位置情報を受信し、安否情報を受信していないと判定した場合には、その携帯端末１０に発行する要求を、安否入力画面の起動要求、および位置情報の再送信要求に決定する。 The request determination unit 25 determines a request to be issued to the mobile terminal 10 based on the position information scheduled to be received from the mobile terminal 10 after transmission of the epicenter information and the reception status of the safety information. Specifically, the request determination unit 25 periodically receives the location information and the safety information from each mobile terminal 10 by referring to the location information database 27 and the safety information database 28 after the epicenter information is transmitted. It is determined whether or not. If the request determination unit 25 receives the position information from the mobile terminal 10 and determines that the safety information is not received, the request determination unit 25 issues a request to be issued to the mobile terminal 10, the activation request for the safety input screen, and the position Decide on information retransmission request.
　また、要求決定部２５は、携帯端末１０から、位置情報を受信しておらず、安否情報を受信していると判定した場合には、その携帯端末１０に発行する要求を、位置情報の送信要求やＧＰＳ機能のＯＮ要求に決定する。さらに、要求決定部２５は、携帯端末１０から、位置情報および安否情報のいずれも受信していないと判定した場合には、その携帯端末１０に発行する要求を、安否入力画面の起動要求、および位置情報の送信要求やＧＰＳ機能のＯＮ要求に決定する。 In addition, when the request determination unit 25 determines that the position information is not received from the mobile terminal 10 and the safety information is received, the request determination unit 25 transmits a request to the mobile terminal 10 to transmit the position information. Request or GPS function ON request is determined. Furthermore, if the request determination unit 25 determines that neither the position information nor the safety information has been received from the mobile terminal 10, the request determination unit 25 issues a request to be issued to the mobile terminal 10, an activation request for the safety input screen, and The position information transmission request and the GPS function ON request are determined.
　これにより、地震発生後に携帯端末１０から受信する予定になっている位置情報や安否情報の受信状況に応じて、不足している情報を送信するように促すことができるため、地震が発生した際の位置情報や安否情報の回収率を高めることが可能となる。 As a result, it is possible to prompt the user to send the missing information according to the reception status of the location information and the safety information that are scheduled to be received from the mobile terminal 10 after the occurrence of the earthquake. It is possible to increase the collection rate of location information and safety information.
　要求送信部２６は、要求決定部２５により決定された各種要求を携帯端末１０に送信する。 The request transmission unit 26 transmits various requests determined by the request determination unit 25 to the mobile terminal 10.
　次に、図２を参照して、位置情報および安否情報を安否確認サーバに登録する際の動作について説明する。 Next, with reference to FIG. 2, the operation when registering location information and safety information in the safety confirmation server will be described.
　最初に、安否確認サーバ２０の緊急地震速報受信部２１が緊急地震速報を受信する（ステップＳ１０１）と、安否確認サーバ２０の震源情報送信部２２は、緊急地震速報に含まれる震源情報を携帯端末１０に送信する（ステップＳ１０２）。これにより、携帯端末１０の震源情報受信部１１が震源情報を受信することになる。 First, when the earthquake early warning receiving unit 21 of the safety confirmation server 20 receives the emergency earthquake early warning (step S101), the earthquake source information transmitting unit 22 of the safety confirmation server 20 transmits the earthquake source information included in the emergency earthquake early warning to the mobile terminal. 10 (step S102). Thereby, the epicenter information receiver 11 of the mobile terminal 10 receives the epicenter information.
　続いて、携帯端末１０の位置応答部１２は、自端末の最新の位置情報を安否確認サーバ２０に応答する（ステップＳ１０３）。これにより、安否確認サーバ２０の位置情報受信部２３が携帯端末１０の最新の位置情報を受信することになる。 Subsequently, the position response unit 12 of the mobile terminal 10 responds to the safety confirmation server 20 with the latest position information of the own terminal (step S103). Thereby, the location information receiving unit 23 of the safety confirmation server 20 receives the latest location information of the mobile terminal 10.
　続いて、安否確認サーバ２０の位置情報受信部２３は、受信した位置情報を位置情報データベース２７に保存する（ステップＳ１０４）。 Subsequently, the location information receiving unit 23 of the safety confirmation server 20 stores the received location information in the location information database 27 (step S104).
　一方、携帯端末１０の震度算出部１３は、受信した震源情報に基づいて、自端末の最新位置における予想震度と、自端末の最新位置に主要動（Ｓ波）が到達するまでの余裕時間と、を算出する（ステップＳ１０５）。 On the other hand, the seismic intensity calculation unit 13 of the mobile terminal 10 determines the expected seismic intensity at the latest position of the terminal itself and the allowance time until the main motion (S wave) reaches the latest position of the terminal based on the received epicenter information. Are calculated (step S105).
　続いて、携帯端末１０の震度判定部１４は、算出した予想震度が、予め定めた閾値以上であるか否かを判定する（ステップＳ１０６）。この判定がＮＯである場合（ステップＳ１０６；ＮＯ）には、本動作を終了する。 Subsequently, the seismic intensity determination unit 14 of the mobile terminal 10 determines whether or not the calculated predicted seismic intensity is equal to or greater than a predetermined threshold (step S106). If this determination is NO (step S106; NO), this operation ends.
　一方、上記ステップＳ１０６の判定で予想震度が閾値以上であると判定された場合（ステップＳ１０６；ＹＥＳ）に、携帯端末１０の安否入力画面表示部１５は、安否情報を入力するための安否入力画面をディスプレイに表示させる（ステップＳ１０７）。 On the other hand, when it is determined in step S106 that the predicted seismic intensity is equal to or greater than the threshold (step S106; YES), the safety input screen display unit 15 of the mobile terminal 10 is a safety input screen for inputting safety information. Is displayed on the display (step S107).
　続いて、携帯端末１０の安否情報送信部１６は、安否入力画面での入力が確定した場合に、安否入力画面に入力された安否情報を安否確認サーバ２０に送信する（ステップＳ１０８）。これにより、安否確認サーバ２０の安否情報受信部２４が安否情報を受信することになる。 Subsequently, when the input on the safety input screen is confirmed, the safety information transmitting unit 16 of the mobile terminal 10 transmits the safety information input on the safety input screen to the safety confirmation server 20 (step S108). As a result, the safety information receiving unit 24 of the safety confirmation server 20 receives the safety information.
　続いて、安否確認サーバ２０の安否情報受信部２４は、受信した安否情報を安否情報データベース２８に保存する（ステップＳ１０９）。 Subsequently, the safety information receiving unit 24 of the safety confirmation server 20 stores the received safety information in the safety information database 28 (step S109).
　上述したように、実施形態における安否確認システム１によれば、携帯端末１０の震源情報受信部１１が、緊急地震速報に含まれる震源情報を安否確認サーバ２０から受信し、位置応答部１２が、自端末の最新の位置情報を安否確認サーバ２０に応答することで、緊急地震速報が配信された直後のネットワークが未だ混み合っていないときに、各携帯端末１０の最新の位置情報を安否確認サーバ２０に送信することができる。 As described above, according to the safety confirmation system 1 in the embodiment, the epicenter information receiving unit 11 of the mobile terminal 10 receives the epicenter information included in the emergency earthquake bulletin from the safety confirmation server 20, and the position response unit 12 is By responding to the safety confirmation server 20 with the latest location information of the terminal itself, the latest location information of each portable terminal 10 can be obtained when the network immediately after the earthquake early warning is distributed is not crowded. 20 can be transmitted.
　また、携帯端末１０の震度算出部１３が、震源情報に基づいて自端末の最新位置における予想震度を算出し、震度判定部１４が、予想震度が閾値以上であるか否かを判定し、予想震度が閾値以上である場合に、安否入力画面表示部１５が、安否情報を入力するための安否入力画面を表示し、安否情報送信部１６が、安否入力画面に入力された安否情報を安否確認サーバ２０に送信することで、予想震度が閾値以上である場合に、携帯端末１０が自主的に、安否情報の入力をユーザに促し、入力された安否情報を安否確認サーバ２０に送信することができる。 In addition, the seismic intensity calculation unit 13 of the mobile terminal 10 calculates the predicted seismic intensity at the latest position of the terminal based on the epicenter information, and the seismic intensity determination unit 14 determines whether or not the predicted seismic intensity is equal to or greater than the threshold, When the seismic intensity is equal to or greater than the threshold value, the safety input screen display unit 15 displays a safety input screen for inputting safety information, and the safety information transmission unit 16 confirms the safety information input on the safety input screen. By transmitting to the server 20, when the predicted seismic intensity is greater than or equal to the threshold, the mobile terminal 10 voluntarily prompts the user to input safety information and transmits the input safety information to the safety confirmation server 20. it can.
　また、安否確認サーバ２０の震源情報送信部２２が、緊急地震速報を受信したときに、震源情報を携帯端末１０に送信し、位置情報受信部２３が、最新の位置情報を携帯端末１０から受信し、安否情報受信部２４が、安否情報を携帯端末１０から受信し、要求決定部２５が、震源情報の送信後に携帯端末１０から受信する予定の位置情報および安否情報の受信状況に基づいて、携帯端末１０に発行する要求を決定し、要求送信部２６が、決定された要求を携帯端末１０に送信することで、不足している情報を送信するように促すことができるため、地震発生時における位置情報や安否情報の回収率を高めることができる。 Further, when the epicenter information transmitting unit 22 of the safety confirmation server 20 receives the emergency earthquake bulletin, the epicenter information is transmitted to the mobile terminal 10, and the location information receiving unit 23 receives the latest location information from the mobile terminal 10. The safety information receiving unit 24 receives the safety information from the mobile terminal 10, and the request determination unit 25 receives the location information scheduled to be received from the mobile terminal 10 after the transmission of the epicenter information and the reception status of the safety information. Since the request to be issued to the mobile terminal 10 is determined and the request transmission unit 26 transmits the determined request to the mobile terminal 10, it is possible to prompt the user to transmit the missing information. The collection rate of location information and safety information in can be increased.
　それゆえに、実施形態における安否確認システム１によれば、地震発生時の安否確認の精度を向上させることが可能となる。 Therefore, according to the safety confirmation system 1 in the embodiment, it is possible to improve the accuracy of safety confirmation when an earthquake occurs.
　[変形例]
　なお、上述した実施形態は、単なる例示に過ぎず、実施形態に明示していない種々の変形や技術の適用を排除するものではない。すなわち、本発明は、その趣旨を逸脱しない範囲で様々な形態に変形して実施することができる。 [Modification]
Note that the above-described embodiment is merely an example, and does not exclude various modifications and technical applications that are not explicitly described in the embodiment. That is, the present invention can be implemented by being modified into various forms without departing from the spirit of the present invention.
　例えば、上述した実施形態の携帯端末１０において、以下の機能を追加してもよい。携帯端末１０は、震度判定部１４により予想震度が閾値以上であると判定された場合に、ユーザにより予め登録されたアプリケーション（例えばワンセグアプリ等）を起動させることとしてもよい。また、携帯端末１０は、震度判定部１４により予想震度が閾値以上であると判定された場合に、ユーザの同僚の位置情報および安否情報を送信するように安否確認サーバ２０に要求し、その要求に応じて安否確認サーバ２０から送信された位置情報および安否情報をディスプレイに表示させることとしてもよい。 For example, the following functions may be added to the mobile terminal 10 of the above-described embodiment. When the seismic intensity determination unit 14 determines that the predicted seismic intensity is equal to or higher than the threshold, the mobile terminal 10 may activate an application (for example, a one-segment application) registered in advance by the user. In addition, when the seismic intensity determination unit 14 determines that the predicted seismic intensity is equal to or greater than the threshold, the mobile terminal 10 requests the safety confirmation server 20 to transmit the location information and safety information of the user's colleagues, and the request Accordingly, the position information and the safety information transmitted from the safety confirmation server 20 may be displayed on the display.
　また、上述した実施形態における安否確認システム１の携帯端末１０および安否確認サーバ２０は、図１に示す各機能を構成要素としているが、本発明に係る携帯端末１０および安否確認サーバ２０の構成は、これに限定されない。本発明の最小構成について説明する。図３は、本発明に係る携帯端末１０の最小構成を例示する図である。図４は、本発明に係る安否確認システム１に含まれる安否確認サーバ２０の最小構成を例示する図である。 Moreover, although the portable terminal 10 of the safety confirmation system 1 in the embodiment mentioned above and the safety confirmation server 20 have each function shown in FIG. 1 as a component, the structure of the portable terminal 10 and the safety confirmation server 20 which concern on this invention is the structure. However, the present invention is not limited to this. The minimum configuration of the present invention will be described. FIG. 3 is a diagram illustrating a minimum configuration of the mobile terminal 10 according to the present invention. FIG. 4 is a diagram illustrating a minimum configuration of the safety confirmation server 20 included in the safety confirmation system 1 according to the present invention.
　図３に示すように、携帯端末１０は、機能的に、少なくとも、震源情報受信部１１と、震度算出部１３と、震度判定部１４と、安否入力画面表示部１５と、安否情報送信部１６と、を有していればよい。 As shown in FIG. 3, the mobile terminal 10 is functionally configured to include at least an epicenter information receiving unit 11, a seismic intensity calculating unit 13, a seismic intensity determining unit 14, a safety input screen display unit 15, and a safety information transmitting unit 16. As long as it has.
　図４に示すように、安否確認サーバ２０は、機能的に、少なくとも、震源情報送信部２２と、位置情報受信部２３と、安否情報受信部２４と、要求決定部２５と、要求送信部２６と、を有していればよい。 As shown in FIG. 4, the safety confirmation server 20 functionally includes at least an epicenter information transmission unit 22, a position information reception unit 23, a safety information reception unit 24, a request determination unit 25, and a request transmission unit 26. As long as it has.
　上述した実施形態の一部または全部は、以下の付記のようにも記載され得るが、本発明を以下のように限定するものではない。 Some or all of the above-described embodiments may be described as in the following supplementary notes, but the present invention is not limited to the following.
　（付記１）　緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信部と、前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出部と、前記震度算出部により算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定部と、前記震度判定部により前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示部と、前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信部と、を備えることを特徴とする携帯端末。 (Supplementary note 1) An epicenter information receiving unit that receives the epicenter information included in the earthquake early warning from a server, a seismic intensity calculating unit that calculates an expected seismic intensity at the latest location of the terminal based on the seismic source information, and the seismic intensity calculating unit The seismic intensity determination unit for determining whether or not the predicted seismic intensity calculated by the method is greater than or equal to a predetermined threshold, and safety information when the predicted seismic intensity is determined to be greater than or equal to the threshold by the seismic intensity determination unit A safety input screen display unit for displaying a safety input screen for inputting the safety information, and a safety information transmission unit for transmitting the safety information input on the safety input screen to the server. .
　（付記２）　前記安否入力画面表示部は、ユーザの役職に応じて前記安否入力画面に表示する項目を変更する、ことを特徴とする付記１記載の携帯端末。 (Supplementary note 2) The mobile terminal according to supplementary note 1, wherein the safety input screen display unit changes items to be displayed on the safety input screen according to a user's job title.
　（付記３）　自端末の最新位置に応じて注意を喚起するためのメッセージを表示するメッセージ表示部を、さらに備えることを特徴とする付記１または２記載の携帯端末。 (Supplementary note 3) The mobile terminal according to Supplementary note 1 or 2, further comprising a message display unit for displaying a message for calling attention according to the latest position of the terminal itself.
　（付記４）　付記１～３のいずれかに記載の携帯端末と前記サーバとを備える安否確認システムであって、前記携帯端末が、前記震源情報受信部により前記震源情報が受信されたときに、自端末の最新の位置情報を前記サーバに応答する位置応答部を、さらに備え、前記サーバが、緊急地震速報を受信したときに、前記震源情報を前記携帯端末に送信する震源情報送信部と、前記位置情報を前記携帯端末から受信する位置情報受信部と、前記安否情報を前記携帯端末から受信する安否情報受信部と、前記震源情報の送信後に前記携帯端末から受信する予定の前記位置情報および前記安否情報の受信状況に基づいて、前記携帯端末に発行する要求を決定する要求決定部と、前記要求決定部により決定された前記要求を前記携帯端末に送信する要求送信部と、を備え、前記携帯端末が、前記要求に応じたメッセージを表示する、ことを特徴とする安否確認システム。 (Additional remark 4) It is a safety confirmation system provided with the portable terminal in any one of additional marks 1-3, and the server, When the portable terminal receives the epicenter information by the epicenter information receiving part, A location response unit that responds to the server with the latest location information of the terminal itself; an epicenter information transmission unit that transmits the epicenter information to the mobile terminal when the server receives an emergency earthquake bulletin; and A position information receiving unit for receiving the position information from the portable terminal; a safety information receiving unit for receiving the safety information from the portable terminal; and the position information scheduled to be received from the portable terminal after transmitting the epicenter information; Based on the reception status of the safety information, a request determination unit that determines a request to be issued to the mobile terminal, and transmits the request determined by the request determination unit to the mobile terminal With a determined transmitting unit, wherein the portable terminal displays a message corresponding to the request, the safety confirmation system characterized in that.
　（付記５）　携帯端末が、緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信ステップと、前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出ステップと、前記震度算出ステップにおいて算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定ステップと、前記震度判定ステップにおいて前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示ステップと、前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信ステップと、を含むことを特徴とする安否確認方法。 (Supplementary Note 5) An epicenter information receiving step in which the mobile terminal receives the epicenter information included in the emergency earthquake bulletin from the server, a seismic intensity calculating step for calculating an expected seismic intensity at the latest position of the terminal based on the seismic source information, When it is determined that the predicted seismic intensity calculated in the seismic intensity calculation step is greater than or equal to a predetermined threshold, and the predicted seismic intensity is greater than or equal to the threshold in the seismic intensity determination step A safety input screen display step for displaying a safety input screen for inputting safety information, and a safety information transmission step for transmitting the safety information input on the safety input screen to the server. Safety confirmation method.
　（付記６）　前記安否入力画面表示ステップは、ユーザの役職に応じて前記安否入力画面に表示する項目を変更する、ことを特徴とする付記５記載の安否確認方法。 (Supplementary note 6) The safety confirmation method according to supplementary note 5, wherein in the safety input screen display step, an item to be displayed on the safety input screen is changed according to a user's job title.
　（付記７）　前記携帯端末が、自端末の最新位置に応じて注意を喚起するためのメッセージを表示するメッセージ表示ステップを、さらに含むことを特徴とする付記５または６記載の安否確認方法。 (Supplementary note 7) The safety confirmation method according to supplementary note 5 or 6, further comprising a message display step in which the mobile terminal displays a message for calling attention according to the latest position of the terminal itself.
　（付記８）　前記携帯端末が、前記震源情報受信ステップにおいて前記震源情報が受信されたときに、自端末の最新の位置情報を前記サーバに応答する位置応答ステップを、さらに含み、前記サーバが、緊急地震速報を受信したときに、前記震源情報を前記携帯端末に送信する震源情報送信ステップと、前記位置情報を前記携帯端末から受信する位置情報受信ステップと、前記安否情報を前記携帯端末から受信する安否情報受信ステップと、前記震源情報の送信後に前記携帯端末から受信する予定の前記位置情報および前記安否情報の受信状況に基づいて、前記携帯端末に発行する要求を決定する要求決定ステップと、前記要求決定ステップにより決定された前記要求を前記携帯端末に送信する要求送信ステップと、を含み、前記携帯端末が、前記要求に応じたメッセージを表示するステップを、さらに含む、ことを特徴とする付記５～７のいずれかに記載の安否確認方法。 (Supplementary note 8) The mobile terminal further includes a position response step of responding the server with the latest position information of the terminal when the epicenter information is received in the epicenter information receiving step. When receiving an earthquake early warning, the epicenter information transmitting step for transmitting the epicenter information to the mobile terminal, the location information receiving step for receiving the location information from the mobile terminal, and the safety information from the mobile terminal. A safety information receiving step, a request determination step for determining a request to be issued to the mobile terminal based on the location information scheduled to be received from the mobile terminal after transmission of the epicenter information and the reception status of the safety information; A request transmission step of transmitting the request determined in the request determination step to the mobile terminal, and the mobile terminal , Safety confirmation method according to any one of Appendixes 5-7 the step of displaying a message corresponding to the request, further comprising, characterized in that.
　（付記９）　コンピュータに、緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信ステップと、前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出ステップと、前記震度算出ステップにおいて算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定ステップと、前記震度判定ステップにおいて前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示ステップと、前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信ステップと、を実行させることを特徴とする安否確認プログラム。 (Supplementary note 9) An epicenter information receiving step for receiving epicenter information included in the emergency earthquake bulletin from a server, a seismic intensity calculating step for calculating an expected seismic intensity at the latest position of the terminal based on the seismic source information, A seismic intensity determination step for determining whether the predicted seismic intensity calculated in the seismic intensity calculation step is greater than or equal to a predetermined threshold; and when the predicted seismic intensity is determined to be greater than or equal to the threshold in the seismic intensity determination step A safety input screen display step for displaying a safety input screen for inputting safety information, and a safety information transmission step for transmitting the safety information input on the safety input screen to the server. Safety confirmation program.
　（付記１０）　前記安否入力画面表示ステップは、ユーザの役職に応じて前記安否入力画面に表示する項目を変更する、ことを特徴とする付記９記載の安否確認プログラム。 (Supplementary note 10) The safety confirmation program according to supplementary note 9, wherein the safety input screen display step changes an item to be displayed on the safety input screen according to a user's job title.
　（付記１１）　前記コンピュータに、自端末の最新位置に応じて注意を喚起するためのメッセージを表示するメッセージ表示ステップを、さらに実行させることを特徴とする付記９または１０記載の安否確認プログラム。 (Additional remark 11) The safety confirmation program according to Additional remark 9 or 10, further causing the computer to further execute a message display step for displaying a message for calling attention according to the latest position of the terminal itself.
　この出願は、２０１３年１月３１日に出願された日本出願特願２０１３－０１７００６を基礎とする優先権を主張し、その開示の全てをここに取り込む。 This application claims priority based on Japanese Patent Application No. 2013-017006 filed on January 31, 2013, the entire disclosure of which is incorporated herein.
　以上、実施形態を参照して本発明を説明したが、本発明は上記実施形態に限定されるものではない。本発明の構成や詳細には、本発明のスコープ内で当業者が理解し得る様々な変更をすることができる。 The present invention has been described above with reference to the embodiments, but the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention.
　本発明に係る携帯端末、安否確認システム、安否確認方法および安否確認プログラムは、地震発生時の安否確認の精度を向上させることに適している。 The portable terminal, the safety confirmation system, the safety confirmation method, and the safety confirmation program according to the present invention are suitable for improving the accuracy of safety confirmation when an earthquake occurs.
１…安否確認システム
１０…携帯端末
１１…震源情報受信部
１２…位置応答部
１３…震度算出部
１４…震度判定部
１５…安否入力画面表示部
１６…安否情報送信部
１７…メッセージ表示部
２０…安否確認サーバ
２１…緊急地震速報受信部
２２…震源情報送信部
２３…位置情報受信部
２４…安否情報受信部
２５…要求決定部
２６…要求送信部
２７…位置情報データベース
２８…安否情報データベース DESCRIPTION OF SYMBOLS 1 ... Safety confirmation system 10 ... Portable terminal 11 ... Epicenter information receiving part 12 ... Position response part 13 ... Seismic intensity calculation part 14 ... Seismic intensity determination part 15 ... Safety input screen display part 16 ... Safety information transmission part 17 ... Message display part 20 ... Safety confirmation server 21 ... Earthquake early warning receiving unit 22 ... Earth center information transmitting unit 23 ... Position information receiving unit 24 ... Safety information receiving unit 25 ... Request determining unit 26 ... Request transmitting unit 27 ... Position information database 28 ... Safety information database

Claims (11)

  1. 　緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信部と、
    　前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出部と、
    　前記震度算出部により算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定部と、
    　前記震度判定部により前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示部と、
    　前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信部と、
    　を備えることを特徴とする携帯端末。     An epicenter information receiving unit that receives the epicenter information included in the earthquake early warning from the server;
    Based on the epicenter information, a seismic intensity calculation unit that calculates an expected seismic intensity at the latest position of the terminal,
    A seismic intensity determination unit that determines whether or not the predicted seismic intensity calculated by the seismic intensity calculation unit is equal to or greater than a predetermined threshold;
    A safety input screen display unit for displaying a safety input screen for inputting safety information when the seismic intensity determination unit determines that the predicted seismic intensity is equal to or greater than the threshold;
    A safety information transmitting unit that transmits the safety information input on the safety input screen to the server;
    A portable terminal comprising:
  2. 　前記安否入力画面表示部は、ユーザの役職に応じて前記安否入力画面に表示する項目を変更する、ことを特徴とする請求項１記載の携帯端末。 The portable terminal according to claim 1, wherein the safety input screen display unit changes items to be displayed on the safety input screen according to a job title of a user.
  3. 　自端末の最新位置に応じて注意を喚起するためのメッセージを表示するメッセージ表示部を、さらに備えることを特徴とする請求項１または２記載の携帯端末。 The mobile terminal according to claim 1 or 2, further comprising a message display unit for displaying a message for calling attention according to the latest position of the terminal itself.
  4. 　請求項１～３のいずれか１項に記載の携帯端末と前記サーバとを備える安否確認システムであって、
    　前記携帯端末が、
    　前記震源情報受信部により前記震源情報が受信されたときに、自端末の最新の位置情報を前記サーバに応答する位置応答部を、さらに備え、
    　前記サーバが、
    　緊急地震速報を受信したときに、前記震源情報を前記携帯端末に送信する震源情報送信部と、
    　前記位置情報を前記携帯端末から受信する位置情報受信部と、
    　前記安否情報を前記携帯端末から受信する安否情報受信部と、
    　前記震源情報の送信後に前記携帯端末から受信する予定の前記位置情報および前記安否情報の受信状況に基づいて、前記携帯端末に発行する要求を決定する要求決定部と、
    　前記要求決定部により決定された前記要求を前記携帯端末に送信する要求送信部と、を備え、
    　前記携帯端末が、前記要求に応じたメッセージを表示する、ことを特徴とする安否確認システム。     A safety confirmation system comprising the portable terminal according to any one of claims 1 to 3 and the server,
    The mobile terminal is
    When the epicenter information is received by the seismic center information receiving section, further comprising a position response section that responds to the server with the latest position information of the terminal,
    The server is
    An epicenter information transmitting unit that transmits the epicenter information to the mobile terminal when receiving an earthquake early warning;
    A position information receiving unit for receiving the position information from the mobile terminal;
    A safety information receiving unit for receiving the safety information from the mobile terminal;
    A request determination unit for determining a request to be issued to the mobile terminal based on the position information and the safety information reception status that are scheduled to be received from the mobile terminal after transmission of the epicenter information;
    A request transmission unit that transmits the request determined by the request determination unit to the mobile terminal,
    The safety confirmation system, wherein the portable terminal displays a message corresponding to the request.
  5. 　携帯端末が、
    　緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信ステップと、
    　前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出ステップと、
    　前記震度算出ステップにおいて算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定ステップと、
    　前記震度判定ステップにおいて前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示ステップと、
    　前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信ステップと、
    　を含むことを特徴とする安否確認方法。     Mobile device
    An epicenter information receiving step for receiving the epicenter information included in the emergency earthquake bulletin from the server;
    A seismic intensity calculating step for calculating an expected seismic intensity at the latest position of the terminal based on the epicenter information;
    A seismic intensity determination step for determining whether the predicted seismic intensity calculated in the seismic intensity calculation step is equal to or greater than a predetermined threshold;
    A safety input screen display step for displaying a safety input screen for inputting safety information when the predicted seismic intensity is determined to be equal to or greater than the threshold in the seismic intensity determination step;
    A safety information transmission step of transmitting the safety information input on the safety input screen to the server;
    The safety confirmation method characterized by including.
  6. 　前記安否入力画面表示ステップは、ユーザの役職に応じて前記安否入力画面に表示する項目を変更する、ことを特徴とする請求項５記載の安否確認方法。 6. The safety confirmation method according to claim 5, wherein, in the safety input screen display step, items to be displayed on the safety input screen are changed according to a user's job title.
  7. 　前記携帯端末が、自端末の最新位置に応じて注意を喚起するためのメッセージを表示するメッセージ表示ステップを、さらに含むことを特徴とする請求項５または６記載の安否確認方法。 The safety confirmation method according to claim 5 or 6, further comprising a message display step in which the portable terminal displays a message for calling attention according to the latest position of the terminal itself.
  8. 　前記携帯端末が、
    　前記震源情報受信ステップにおいて前記震源情報が受信されたときに、自端末の最新の位置情報を前記サーバに応答する位置応答ステップを、さらに含み、
    　前記サーバが、
    　緊急地震速報を受信したときに、前記震源情報を前記携帯端末に送信する震源情報送信ステップと、
    　前記位置情報を前記携帯端末から受信する位置情報受信ステップと、
    　前記安否情報を前記携帯端末から受信する安否情報受信ステップと、
    　前記震源情報の送信後に前記携帯端末から受信する予定の前記位置情報および前記安否情報の受信状況に基づいて、前記携帯端末に発行する要求を決定する要求決定ステップと、
    　前記要求決定ステップにより決定された前記要求を前記携帯端末に送信する要求送信ステップと、を含み、
    　前記携帯端末が、前記要求に応じたメッセージを表示するステップを、さらに含む、
    　ことを特徴とする請求項５～７のいずれか１項に記載の安否確認方法。     The mobile terminal is
    A location response step of responding to the server with the latest location information of the terminal when the location information is received in the location information reception step;
    The server is
    An epicenter information transmission step of transmitting the epicenter information to the mobile terminal when receiving an earthquake early warning;
    A position information receiving step for receiving the position information from the mobile terminal;
    A safety information receiving step for receiving the safety information from the mobile terminal;
    A request determination step for determining a request to be issued to the mobile terminal based on the position information and the safety information reception status scheduled to be received from the mobile terminal after transmission of the epicenter information;
    A request transmission step of transmitting the request determined by the request determination step to the mobile terminal,
    The portable terminal further includes displaying a message in response to the request;
    The safety confirmation method according to any one of claims 5 to 7, characterized in that:
  9. 　コンピュータに、
    　緊急地震速報に含まれる震源情報をサーバから受信する震源情報受信ステップと、
    　前記震源情報に基づいて、自端末の最新位置における予想震度を算出する震度算出ステップと、
    　前記震度算出ステップにおいて算出された前記予想震度が、予め定めた閾値以上であるか否かを判定する震度判定ステップと、
    　前記震度判定ステップにおいて前記予想震度が前記閾値以上であると判定された場合に、安否情報を入力するための安否入力画面を表示する安否入力画面表示ステップと、
    　前記安否入力画面に入力された前記安否情報を前記サーバに送信する安否情報送信ステップと、
    　を実行させることを特徴とする安否確認プログラム。     On the computer,
    An epicenter information receiving step for receiving the epicenter information included in the emergency earthquake bulletin from the server;
    A seismic intensity calculating step for calculating an expected seismic intensity at the latest position of the terminal based on the epicenter information;
    A seismic intensity determination step for determining whether the predicted seismic intensity calculated in the seismic intensity calculation step is equal to or greater than a predetermined threshold;
    A safety input screen display step for displaying a safety input screen for inputting safety information when the predicted seismic intensity is determined to be equal to or greater than the threshold in the seismic intensity determination step;
    A safety information transmission step of transmitting the safety information input on the safety input screen to the server;
    A safety confirmation program characterized by causing
  10. 　前記安否入力画面表示ステップは、ユーザの役職に応じて前記安否入力画面に表示する項目を変更する、ことを特徴とする請求項９記載の安否確認プログラム。 10. The safety confirmation program according to claim 9, wherein in the safety input screen display step, items displayed on the safety input screen are changed in accordance with a job title of a user.
  11. 　前記コンピュータに、自端末の最新位置に応じて注意を喚起するためのメッセージを表示するメッセージ表示ステップを、さらに実行させることを特徴とする請求項９または１０記載の安否確認プログラム。 11. The safety confirmation program according to claim 9 or 10, further causing the computer to further execute a message display step of displaying a message for calling attention according to the latest position of the terminal itself.
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