Complicated phenomena of the Beichuan-Yingxiu surface fracture zone during Wenchuan Ms8.0 earthquake in Sichuan Province,China

查看全文 作　　者：DENG [1]ZhiHui;YANG [1]ZhuEn;SUN [2]ZhaoMin;CHEN [1]GuiHua;MA [1]WenTao;SUN [1]Qian

机构地区：[1]Institute of Geology, China Earthquake Administration, Beijing 100029, China;[2]Shangdong Earthquake Administration, Jinan 250014, China

出　　处：《Chinese Science Bulletin》索引2008年第53卷第24期,共6页

基　　金：Supported by National Natural Science Foundation of China (Grant Nos.40841016,40372131 and 40702056);Dedicated Program as a Basic Scientific Research of Central Public Welfare Institute (Grant No.2060302);the National Science & Technology Pillar Program (Grant No.2006BAC01B03-02-03) 摘　　要：After Wenchuan Ms8.0 earthquake,the surface fractures have been investigated in Beichuan City and Yingxiu Town.It was found that the Beichuan-Yingxiu earthquake fracture zone trends northeastward,dipping to northwest.The earthquake fracture zone is mainly characterized by thrust faulting with small amounts of strike-slip movement,and demonstrating various complexities for different areas.The phenomena related to dextral strike-slip displacement are found in Beichuan City and those related to left-lateral strike-slip movement in Yingxiu Town.The compressive shortening of the two surface fracture zones in Beichuan City is 2.8―3.9 m and the left-lateral strike-slip displacement of the surface fractures in Yingxiu Town is 0.52 m. 关键词：汶川地震地震断裂带复杂性北川县

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Complicated phenomena of the Beichuan-Yingxiu surface fracture zone during Wenchuan Ms8.0 earthquake in Sichuan Province,China

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引证文献(4)

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