Design and implementation of low-cost geomagnetic field monitoring equipment for high-density deployment
The observation of geomagnetic field variations is an important approach to studying earthquake precursors.Since 1987,the China Earthquake Administration has explored this seismomagnetic relationship.In particular,they studied local magnetic field anomalies over the Chinese mainland for earthquake prediction.Owing to the years of research on the seismomagnetic relationship,earthquake prediction experts have concluded that the compressive magnetic effect,tectonic magnetic effect,electric magnetic fluid effect,and other factors contribute to preearthquake magnetic anomalies.However,this involves a small magnitude of magnetic field changes.It is difficult to relate them to the abnormal changes of the extremely large magnetic field in regions with extreme earthquakes owing to the high cost of professional geomagnetic equipment,thereby limiting large-scale deployment.Moreover,it is difficult to obtain strong magnetic field changes before an earthquake.The Tianjin Earthquake Agency has developed low-cost geomagnetic field observation equipment through the Beijing-Tianjin-Hebei geomagnetic equipment test project.The new system was used to test the availability of equipment and determine the findings based on big data..
geomagnetic fieldearthquake predictionlow costhigh densitybig data
孙路强、白仙富、康健、曾宁、朱宏、张明东
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天津市地震局,天津,300201
云南省地震局,云南昆明,650224
地磁场 地震预报 低成本 高密度 大数据
Spark Program of Earthquake Science and Technology
万方数据
