Intensive Observation of Reservoirinduced Seismicity and Preliminary Analysis on the Causes of Earthquakes in the Three Gorges Reservoir Area,Yangtze River |
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| Authors: | Ma Wentao Xu Changpeng Yuan Jingli Li Hai'ou Xu Xiwei Zhang Xindong Zhang Lanfeng National Center for Active Fault Studies |
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| Institution: | Ma Wentao~1),Xu Changpeng~1,2),Yuan Jingli~1),Li Hai'ou~1),Xu Xiwei~1),Zhang Xindong~3),and Zhang Lanfeng~1) 1) National Center for Active Fault Studies,Institute of Geology,CEA,Beijing 100029,China 2) Earthquake Administration of Shandong Province,Jinan 250014,China 3) Handan Seismic Station,Earthquake Administration of Hebei Province,Handan 056001,China |
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| Abstract: | In accordance with the requirements of the National Key Technology R&D Program of the 11th Five-year Plan,a densified seismic network consisting of 26 seismic stations was established at the Three Gorges Reservoir area in the section of Hubei Province in March 2009(21 short-period seismographs,5 broadband digital seismographs).From March to December,2009,a total of 2,995 ML-0.8~2.9 earthquakes were detected during the trial impounding of the Three Gorges Reservoir(water level rose from 145 m to 172.8m).Usin... |
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| Keywords: | Reservoir-induced seismicity Observation Earthquake location Seismogenesis Three Gorges Reservoir Yangtze River |
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