Features and Tectonic Implications of the Northeasternmost Surface Rupture of Wenchuan MS 8.0 Earthquake on the Central Fault of Longmenshan Fault Zone <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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Features and Tectonic Implications of the Northeasternmost Surface Rupture of Wenchuan M_S 8.0 Earthquake on the Central Fault of Longmenshan Fault Zone

详细信息

责任者：An Yanfen (National Center for Active Fault Studies ; Institute of Geology ; China Earthquake Administration ; Beijing 100029 ; China) ; Han Zhujun
刊名：Seismology and Geology
出版年：2010
卷期：32(1)
关键词：地形变 ; ground deformation ; 汶川地震2008 ; Wenchuan earthquake 2008 ; 龙门山断裂带 ; Longmenshan Fault Zone
页码：p.1-15
图表：6 illus., 1 table, 35 refs.
分类号：0500
issnNo：ISSN0253-4967
isbnNo：CN11-2192/P

摘要

The kinematic property of the red">Wenchuan earthquake’s surface rupture changes from strike-slip with slightly smaller dip-slip component to the dominant dextral strike-slip at the northeasternmost region between Shikan in Pingwu County and Woqian in Qingchuan County. No surface rupture evidence was found at Donghekou village in Qingchuan County, so the authors infer that the surface rupture zone didn’t spread through the Qingshui River and the structural geomorphology reflected variant vertical motion. In the course of the Wenchuan earthquake, the tectonic deformation on the surface along the central fault was adjusted within the range of the central fault, and didn’t transfer to the external regions.

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