Rupture behaviors of the 2011 Tohoku earthquake and its strongest foreshock through an empirical Green's function deconvolution analysis

被引：3

作者：

Wen, Yi-Ying ^{[1
]}

机构：

[1] Natl Chung Cheng Univ, Dept Earth & Environm Sci, Minxiong, Taiwan

来源：

JOURNAL OF ASIAN EARTH SCIENCES | 2014年 / 81卷

关键词：

Empirical Green's function; Deconvolution analysis; 2011 Mw 9.0 Tohoku earthquake; 2011 Mw 7.4 Sanriku-Oki earthquake; M-W; 9.0; OKI EARTHQUAKE; PACIFIC COAST; STRONG-MOTION; INVERSION; JAPAN; MODEL;

D O I：

10.1016/j.jseaes.2013.11.022

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

An empirical Green's function (EGF) deconvolution analysis was applied to study the source characteristics of the 2011 Mw 9.0 Tohoku and 2011 Mw 7.4 Sanriku-Oki earthquakes. For the 2011 Tohoku earthquake, we demonstrate that nucleation released weak but high-frequency energy and that the rupture propagated downward and sped toward the deep region after the up-dip slip extended to the trench. Moreover, the 2011 Sanriku-Oki earthquake results and a previous study on the 1994 Sanriku-Oki earthquake suggest that large earthquakes in the subduction zone around the Tohoku area prefer to rapidly rupture toward the deeper (down-dip) region. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：123 / 128

页数：6

共 22 条

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