JPH057674B2 - - Google Patents

Info

Publication number
JPH057674B2
JPH057674B2 JP58070599A JP7059983A JPH057674B2 JP H057674 B2 JPH057674 B2 JP H057674B2 JP 58070599 A JP58070599 A JP 58070599A JP 7059983 A JP7059983 A JP 7059983A JP H057674 B2 JPH057674 B2 JP H057674B2
Authority
JP
Japan
Prior art keywords
earthquake
time
occurrence
exceeded
comparison circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP58070599A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59195178A (ja
Inventor
Kyoko Myashita
Tadamitsu Ryu
Hideaki Arisaka
Nobuaki Hashioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP58070599A priority Critical patent/JPS59195178A/ja
Publication of JPS59195178A publication Critical patent/JPS59195178A/ja
Publication of JPH057674B2 publication Critical patent/JPH057674B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/01—Measuring or predicting earthquakes

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP58070599A 1983-04-21 1983-04-21 地震判定方式 Granted JPS59195178A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58070599A JPS59195178A (ja) 1983-04-21 1983-04-21 地震判定方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58070599A JPS59195178A (ja) 1983-04-21 1983-04-21 地震判定方式

Publications (2)

Publication Number Publication Date
JPS59195178A JPS59195178A (ja) 1984-11-06
JPH057674B2 true JPH057674B2 (enrdf_load_stackoverflow) 1993-01-29

Family

ID=13436186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58070599A Granted JPS59195178A (ja) 1983-04-21 1983-04-21 地震判定方式

Country Status (1)

Country Link
JP (1) JPS59195178A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62103596A (ja) * 1985-10-31 1987-05-14 Radio Res Lab 電位差又は電波のダイナミツク・スペクトルによる地震予報法
US5890094A (en) * 1995-07-05 1999-03-30 Geoforschungszentrum Potsdam Earthquake monitoring
ES2533541T3 (es) * 2002-08-30 2015-04-10 Seismic Warning Systems, Inc. Aparato sensor y método para detectar las ondas p generadas por un terremoto y generar una señal de control sensible

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53115281A (en) * 1977-03-18 1978-10-07 Oki Electric Ind Co Ltd Earthquake discrimination system
JPS6026472B2 (ja) * 1980-05-28 1985-06-24 富士通株式会社 地震判定方式
JPS608468B2 (ja) * 1980-09-25 1985-03-02 日本国有鉄道 地震早期検知警報システム

Also Published As

Publication number Publication date
JPS59195178A (ja) 1984-11-06

Similar Documents

Publication Publication Date Title
US10386510B2 (en) Earthquake Detection System and Method
Sereno Jr et al. Seismic detection capability at NORESS and implications for the detection threshold of a hypothetical network in the Soviet Union
Tappert et al. New full‐wave approximation for ocean acoustic travel time predictions
JP4465509B2 (ja) 震央距離推定装置、震央距離推定システム及び震央距離推定方法
JPH057674B2 (enrdf_load_stackoverflow)
Wenz Some periodic variations in low‐frequency acoustic ambient noise levels in the ocean
CN112834774B (zh) 一种阈值自适应转速信号处理系统及其方法
JP4509837B2 (ja) 早期地震諸元推定方法及びそのシステム
JP2024057455A (ja) 震源距離推定装置、震源距離推定プログラム及び震源距離推定方法
US3111186A (en) Automatic measurement of reverberation time
US3717812A (en) Real time analysis of waves
Heidari τ ps, a new magnitude scaling parameter for earthquake early warning
JPH0682067B2 (ja) 地震検出装置
US20250208308A1 (en) Method and device for detecting earthquakes
JPH07181249A (ja) 超音波距離測定装置
CN115372920B (zh) 一种雷达结露补偿方法、装置、设备及存储介质
JPS587538A (ja) ノツキング検出装置
KR100236234B1 (ko) 차량용 쇽 업소버의 레그 판별 방법
KR101034537B1 (ko) 지진신호 감지 및 보정장치 및 그 구동 방법
JPS5621059A (en) Method and device for determining position in ae measurement
JPH01133198A (ja) 地震警報方法
Teeter In situ narrow-band calibration of an acoustic receiver
JPS6223142Y2 (enrdf_load_stackoverflow)
Straus et al. The characteristic Rossby frequency
Zornig et al. Experimental measurement of the second-order interfrequency correlation function of the random surface scatter channel