Fault Geometry and Slip Distribution of the 2010 Yushu Earthquakes Inferred from InSAR Measurement
Fault Geometry and Slip Distribution of the 2010 Yushu Earthquakes Inferred from InSAR Measurement
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InSAR测量推断2010年玉树地震断层几何及滑移分布
DOI:
10.1785/0120100192
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发表时间:
2011-08
影响因子:
3
通讯作者:
Rongshan Fu
中科院分区:
文献类型:
--
作者:
Xianjie Zha;Zhiyang Dai;Linlin Ge;Kui Zhang;Xiaojing Li;Xiaofei Chen;Zhenhong Li;Rongshan Fu
We construct a coseismic deformation interferogram for the April 2010 Yushu earthquakes using ALOS/PALSAR data from the ascending track (path 487). We then infer the trace of the Yushu fault using the coherence image, and we build five fault models for the Yushu fault. To determine the fault geometry parameters that give the best fit to the coseismic interferogram, we apply an elastic dislocation algorithm. Our preferred fault model consists of two faults dipping to the northeast. One strikes ∼N60°W with a dip of 82°; the other strikes ∼N67°W with a dip of 86°. Lastly, we infer the coseismic slip distributions of the Yushu earthquakes by the inversion of the displacement in the line of sight (LOS). The results show that three high-slip concentrations are located at a depth of 5∼8 km, with a peak slip of 1.32 m at (96.93 E, 33.03 N). The Yushu fault is a left-lateral strike-slip faulting with small north-side-up, dip-slip components.
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DOI:
--
发表时间:
1997
期刊:
--
影响因子:
--
作者:
U. Wegmüller;C. Werner
通讯作者:
U. Wegmüller;C. Werner
DOI:
10.1007/978-3-642-11741-1_11
发表时间:
2010
期刊:
--
影响因子:
--
作者:
Ye Xia
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Ye Xia
影响因子:
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G. Funning;B. Parsons;T. Wright
影响因子:
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通讯作者:
M. Spurlin;A. Yin;B. Horton;Jiangyu Zhou;Jianghai Wang
影响因子:
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作者:
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通讯作者:
Lifeng Wang;Rongjiang Wang;F. Roth;B. Enescu;S. Hainzl;S. Ergintav