基于GF-1卫星影像解译2014年新疆于田MS7.3地震同震地表破裂带

Abstract

Abstract: An M_S7.3 earthquake happened at Yutian county of Xinjiang on February 12, 2014. Interpretaion of images from China-made high resoultion satellite GF-1 indicates that the surface rupture zone produced by the earthquake is about 9 km long along a NEE62°trending fault at the southern piedmont of a Xiaoerkule basin. The surface rupture zone consists of arc fault scarp segments with only normal-lateral faulting and no significance left-lateral component based on the data. Its seismogenic structure NEE-trending fault named Xiaoerkuke southern basin piedmont fault belongs to the secondary structure at the NE-trending tensile area of the southwestern end of the Altyn Tagh fault, with paleo-earthquake surface ruputer zones, there were no coseismic ruptures on the other two faults located at the basin northern piedmont and central area. The high resoultion saltellite images collected by domestic emergency mode after shock can be effectivelly used for seismology and geology research at high-altitude weastern areas of China.

Key words: Coseismic surface rupture zone, Seismogenic structure, Altyn Tagh fault, GF-1 images, The 2014Yutian M_S7.3 earthquake

CLC Number:

P315.7

XU Yue-ren, CHEN Li-ze, SHEN Xu-hui, HONG Shun-ying, WANG Hui, JING Feng, DONG Yan-fang. Interpretating Coseismic Surface Rupture Zone of the 2014 Yutian M_S7.3 Earthquake using GF-1 Satellite Images[J]. EARTHQUAKE, 2015, 35(2): 61-71.

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Interpretating Coseismic Surface Rupture Zone of the 2014 Yutian M_S7.3 Earthquake using GF-1 Satellite Images

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Interpretating Coseismic Surface Rupture Zone of the 2014 Yutian MS7.3 Earthquake using GF-1 Satellite Images

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Interpretating Coseismic Surface Rupture Zone of the 2014 Yutian M_S7.3 Earthquake using GF-1 Satellite Images