CN106501843A - A kind of identification determination methods to magnitude - Google Patents
A kind of identification determination methods to magnitude Download PDFInfo
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- CN106501843A CN106501843A CN201610953884.1A CN201610953884A CN106501843A CN 106501843 A CN106501843 A CN 106501843A CN 201610953884 A CN201610953884 A CN 201610953884A CN 106501843 A CN106501843 A CN 106501843A
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- G01V1/01—
Abstract
The invention discloses a kind of identification determination methods to magnitude, including gathering the station locality seismic wave using seismic wave；The characteristic information in each seismic wave picking platform station collection seismic wave is extracted, and calculates magnitude；Judge that seismic waveform whether crossed or seismic wave has been calmed down by peak value：If certain seismic wave picking platform station detects, seismic wave peak value has been crossed or seismic wave has been calmed down, and the earthquake magnitude that magnitude is surveyed formula calculating gathers the earthquake pre-warning earthquake magnitude of the station as the seismic wave；The earthquake pre-warning earthquake magnitude at each seismic wave picking platform station is averaged；Comprehensive earthquake pre-warning earthquake magnitude.For present invention judgement recognition methodss other to earthquake magnitude are relative to prior art, the method for being adopted can calculate earthquake magnitude in time, without after the earthquake, so as to be conducive to improving the ageing of earthquake prediction and early warning；Meanwhile, at the initial stage of prediction magnitude calculation, estimate early warning earthquake magnitude using P-wave, be conducive to earthquake pre-warning center identification to go out the efficiency of end value.
Description
Technical field
The invention belongs to seismic prediction technique field, more particularly to a kind of identification determination methods to magnitude.
Background technology
Earthquake prediction refers to after earthquake occurs, gets the jump on seimic wave propagation to before fortified defence area, shift to an earlier date to fortified defence area
Alarm is sent to tens of seconds within several seconds, to reduce the loss of locality.After earthquake occurs, P Bobs S velocity of wave propagation is fast, compared with S ripples more
Fast arrival fortified defence area.
In prior art, it will usually some seismic waves are installed in the more incident area of earthquake in advance and detect the station, earthquake
After generation, the P ripples for collecting, S ripples are sent to earthquake pre-warning center, earthquake pre-warning server by seismic wave monitor station standing-meeting in real time
This magnitude is calculated by extracting P ripples, S ripple information.
Content of the invention
It is an object of the invention to provide a kind of identification determination methods to magnitude, by the application of the method, solve
Determine existing problem.
For solving above-mentioned technical problem, the present invention is achieved by the following technical solutions：
The present invention is a kind of identification determination methods to magnitude, and the method specifically includes following steps：
Step one, the P ripples locality shaken using some seismic wave collection stations in 40 kilometer range of earthquake centre and S ripples；
Step 2, extracts the characteristic information in the front n seconds seismic wave of each seismic wave picking platform station collection after the earthquake, and
Magnitude is calculated using magnitude predictor formula；
Step 3, calculates magnitude using magnitude actual measurement formula；
Step 4, judges that seismic waveform whether crossed or seismic wave has been calmed down by peak value：If certain seismic wave picking platform station inspection
Mistake or seismic wave have been calmed down to measure seismic wave peak value, then magnitude is surveyed the earthquake magnitude of formula calculating as the seismic wave
The earthquake pre-warning earthquake magnitude of the collection station；Otherwise, the earthquake magnitude for magnitude predictor formula being calculated is used as the seismic wave collection station
Earthquake pre-warning earthquake magnitude；
Step 5, averages to the earthquake pre-warning earthquake magnitude at each seismic wave picking platform station；The meansigma methodss are this secondary earthquake
The comprehensive earthquake pre-warning earthquake magnitude of early warning.
Further, using strong-motion instrument or acceleration transducer collection seismic signal at the seismic wave collection station；Institute
N is stated for 6.
The invention has the advantages that：
For present invention judgement recognition methodss other to earthquake magnitude are relative to prior art, the method for being adopted can be counted in time
Earthquake magnitude is calculated, without after the earthquake, so as to be conducive to improving the ageing of earthquake prediction and early warning；Meanwhile, in prediction shake
At the initial stage that level is calculated, estimate early warning earthquake magnitude using P-wave, be conducive to earthquake pre-warning center identification to go out the efficiency of end value.
Certainly, the arbitrary product for implementing the present invention is it is not absolutely required to while reaching all the above advantage.
Specific embodiment
Below in conjunction with embodiment, to the present invention in technical scheme be clearly and completely described, it is clear that described
Embodiment be only a part of embodiment of the invention, rather than whole embodiment.Embodiment in based on the present invention, ability
All other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to guarantor of the present invention
The scope of shield.
The present invention is a kind of identification determination methods to magnitude, and the method specifically includes following steps：
Step one, the P ripples locality shaken using some seismic wave collection stations in 40 kilometer range of earthquake centre and S ripples；
Step 2, extracts the characteristic information in the front n seconds seismic wave of each seismic wave picking platform station collection after the earthquake, and
Magnitude is calculated using magnitude predictor formula；
Step 3, calculates magnitude using magnitude actual measurement formula；
Step 4, judges that seismic waveform whether crossed or seismic wave has been calmed down by peak value：If certain seismic wave picking platform station inspection
Mistake or seismic wave have been calmed down to measure seismic wave peak value, then magnitude is surveyed the earthquake magnitude of formula calculating as the seismic wave
The earthquake pre-warning earthquake magnitude of the collection station；Otherwise, the earthquake magnitude for magnitude predictor formula being calculated is used as the seismic wave collection station
Earthquake pre-warning earthquake magnitude；
Step 5, averages to the earthquake pre-warning earthquake magnitude at each seismic wave picking platform station；The meansigma methodss are this secondary earthquake
The comprehensive earthquake pre-warning earthquake magnitude of early warning.
Wherein, using strong-motion instrument or acceleration transducer collection seismic signal at the seismic wave collection station；Step 2
In n be 6.
Using the present invention to the other judgement recognition methodss of earthquake magnitude, for prior art, can count much sooner
Earthquake magnitude is calculated, without after the earthquake, so as to be conducive to improving the ageing of earthquake prediction and early warning；Meanwhile, in prediction shake
At the initial stage that level is calculated, estimate early warning earthquake magnitude using P-wave, be conducive to earthquake pre-warning center identification to go out the efficiency of end value.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Specific features, structure, material or the feature described in conjunction with the embodiment or example is contained at least one enforcement of the present invention
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
And, the specific features of description, structure, material or feature can be in any one or more embodiments or example with conjunction
Suitable mode is combined.
Finally it should be noted that present invention disclosed above preferred embodiment is only intended to help illustrates the present invention.Excellent
Embodiment is selected not have all of details of detailed descriptionthe, it is only described specific embodiment also not limit the invention.Obviously, root
According to the content of this specification, can make many modifications and variations.This specification is chosen and specifically describes these embodiments, be in order to
The principle and practical application of the present invention are preferably explained, so that skilled artisan can be best understood by and utilize
The present invention.The present invention is only limited by claims and its four corner and equivalent.
Claims (2)
1. a kind of identification determination methods to magnitude, it is characterised in that the method specifically includes following steps：
Step one, the P ripples locality shaken using some seismic wave collection stations in 40 kilometer range of earthquake centre and S ripples；
Step 2, extracts the characteristic information in the front n seconds seismic wave of each seismic wave picking platform station collection after the earthquake, and utilizes
Magnitude predictor formula calculates magnitude；
Step 3, calculates magnitude using magnitude actual measurement formula；
Step 4, judges that seismic waveform whether crossed or seismic wave has been calmed down by peak value：If certain seismic wave picking platform station detects
Seismic wave peak value has been crossed or seismic wave has been calmed down, then magnitude is surveyed the earthquake magnitude of formula calculating as seismic wave collection
The earthquake pre-warning earthquake magnitude of the station；Otherwise, the earthquake magnitude for magnitude predictor formula being calculated gathers the ground of the station as the seismic wave
Shake early warning earthquake magnitude；
Step 5, averages to the earthquake pre-warning earthquake magnitude at each seismic wave picking platform station；The meansigma methodss are this earthquake pre-warning
Comprehensive earthquake pre-warning earthquake magnitude.
2. a kind of identification determination methods to magnitude according to claim 1, it is characterised in that：Gather in seismic wave
Using strong-motion instrument or acceleration transducer collection seismic signal at the station；The n is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953884.1A CN106501843A (en) | 2016-11-03 | 2016-11-03 | A kind of identification determination methods to magnitude |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610953884.1A CN106501843A (en) | 2016-11-03 | 2016-11-03 | A kind of identification determination methods to magnitude |
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| CN106501843A true CN106501843A (en) | 2017-03-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901220A (en) * | 2019-03-28 | 2019-06-18 | 夏仕安 | A kind of method of discrimination of the magnitude for earthquake early-warning system |
| CN114200512A (en) * | 2021-12-14 | 2022-03-18 | 四川旷谷信息工程有限公司 | Earthquake intensity early warning method and system for key work point in railway construction period |
| CN114355438A (en) * | 2022-01-11 | 2022-04-15 | 西南交通大学 | Method, device and equipment for estimating seismic magnitude and readable storage medium |
| CN115032693A (en) * | 2022-07-11 | 2022-09-09 | 中国地震局地球物理研究所 | Strong-shock pre-shock automatic identification method and device |
-
2016
- 2016-11-03 CN CN201610953884.1A patent/CN106501843A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901220A (en) * | 2019-03-28 | 2019-06-18 | 夏仕安 | A kind of method of discrimination of the magnitude for earthquake early-warning system |
| CN114200512A (en) * | 2021-12-14 | 2022-03-18 | 四川旷谷信息工程有限公司 | Earthquake intensity early warning method and system for key work point in railway construction period |
| CN114355438A (en) * | 2022-01-11 | 2022-04-15 | 西南交通大学 | Method, device and equipment for estimating seismic magnitude and readable storage medium |
| CN115032693A (en) * | 2022-07-11 | 2022-09-09 | 中国地震局地球物理研究所 | Strong-shock pre-shock automatic identification method and device |
| CN115032693B (en) * | 2022-07-11 | 2023-02-03 | 中国地震局地球物理研究所 | Method and device for automatically identifying pre-earthquake of strong earthquake |
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Application publication date: 20170315 |