A real-time AI-assisted seismic monitoring system based on new nodal stations with 4G telemetry and its application in the Yangbi M_(S) 6.4 aftershock monitoring in southwest China

查看全文 作　　者：Junlun [1,2,3]Li;Huajian [1,2,3]Yao;Baoshan [1,2,3]Wang;Yang [4]Yang;Xin [4]Hu;Lishu [4]Zhang;Beng [5]Ye;Jun [5]Yang;Xiaobin [5]Li;Feng [1]Liu;Guoyi [1]Chen;Chang [1]Guo;Wen [1]Yang

机构地区：[1]Laboratory of Seismology and Physics of Earth's Interior,School of Earth and Space Science,University of Science and Technology of China,96 Jinzhai Road,Hefei,Anhui,230026,China;[2]Mengcheng National Geophysical Observatory,University of Science and Technology of China,Hefei,Anhui,230026,China;[3]Center for Advanced Geophysical Sensing and Intelligent Exploration,Institute of Advanced Technology,University of Science and Technology of China,96 Jinzhai Road,Hefei,Anhui,230026,China;[4]Hefei Guowei Electronics Co.Ltd.,800 Wangjiang West Road,Hefei,Anhui,230088,China;[5]Yunnan Earthquake Agency,Kunming,Yunnan,650224,China

出　　处：《Earthquake Research Advances》索引2022年第2卷第2期,共8页

基　　金：supported by the National Natural Science Foundation of China (under grants 41874048,41790464,41790462). 摘　　要：A rapidly deployable dense seismic monitoring system which is capable of transmitting acquired data in real time and analyzing data automatically is crucial in seismic hazard mitigation after a major earthquake.However,it is rather difficult for current seismic nodal stations to transmit data in real time for an extended period of time,and it usually takes a great amount of time to process the acquired data manually.To monitor earthquakes in real time flexibly,we develop a mobile integrated seismic monitoring system consisting of newly developed nodal units with 4G telemetry and a real-time AI-assisted automatic data processing workflow.The integrated system is convenient for deployment and has been successfully applied in monitoring the aftershocks of the Yangbi M_(S) 6.4 earthquake occurred on May 21,2021 in Yangbi County,Dali,Yunnan in southwest China.The acquired seismic data are transmitted almost in real time through the 4G cellular network,and then processed automat-ically for event detection,positioning,magnitude calculation and source mechanism inversion.From tens of seconds to a couple of minutes at most,the final seismic attributes can be presented remotely to the end users through the integrated system.From May 27 to June 17,the real-time system has detected and located 7905 aftershocks in the Yangbi area before the internal batteries exhausted,far more than the catalog provided by China Earthquake Networks Center using the regional permanent stations.The initial application of this inte-grated real-time monitoring system is promising,and we anticipate the advent of a new era for Real-time Intelligent Array Seismology(RIAS),for better monitoring and understanding the subsurface dynamic pro-cesses caused by Earth's internal forces as well as anthropogenic activities. 关键词：Seismic dense array 4G data transmission Real-time earthquake monitoring Machine-learning assisted processing Real-time intelligent array seismology

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A real-time AI-assisted seismic monitoring system based on new nodal stations with 4G telemetry and its application in the Yangbi M_(S) 6.4 aftershock monitoring in southwest China

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