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Distribution Characteristics of the Seismicity of Zipingpu Reservoir Region after the Wenchuan Earthquake |
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| Authors: | Li Hai'ou) Ma Wentao) Xu Xiwei) Xie Ronghua) Yuan Jingli) Xu Changpeng) ) Institute of Geology China Earthquake Administration Beijing China ) Earthquake Administration of Sichuan Province Chengdu China |
| Affiliation: | Li Hai'ou~1),Ma Wentao~1),Xu Xiwei~1),Xie Ronghua~2),Yuan Jingli~1) and Xu Changpeng~1) 1) Institute of Geology,China Earthquake Administration,Beijing 100029,China 2) Earthquake Administration of Sichuan Province,Chengdu 610041,China |
| Abstract: | 815 earthquakes recorded by 12 seismic stations of the Zipingpu reservoir seismic network in 2009 were relocated using the double difference algorithm to analyze the seismic activity of the Zipingpu reservoir.Relocation results show that the earthquakes are concentrated relatively in three zones.The distribution characteristics of focal depth are obviously different among different concentration zones.This means earthquakes in different concentration zones may have different causes.Compared to relocation of... |
| Keywords: | Wenchuan earthquake Zipingpu reservoir Double-difference algorithm Pore pressure diffusion |
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