Co-seismic deformation of 2011 Mw9. 0 Japan earthquake observed by InSAR technique

被引：1
|
作者：
Qiang, Shen [1 ]
Kai, Tan [1 ]
机构：
[1] China Earthquake Adm, Inst Seismol, Wuhan 430071, Hubei, Peoples R China
来源：
GEODESY AND GEODYNAMICS | 2011年 / 2卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Mw9. 0 Tohoku earthquake; lnSAR; surface displacement;
D O I：
10.3724/SP.J.1246.2011.00024
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Co-seismic line-of-sight displacements of the 2011 Mw9. 0 Japan earthquake derived from lnSAR data of Envisat ASAR, ALOS PALSAR and TerraSAR-X show a maximum value of about - 245cm to - 221 em near the epicenter. This result is in good agreement with the result of GPS measurement. The observed displacement pattern suggests an earthquake-rupture zone over 500km long, with a ground-motion pattern in the vicinity of the northern segment more complex than that of the southern segment, possibly due to immediate aftershocks that occurred between satellite passes.
引用
收藏
页码：24 / 30
页数：7
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