Gravity anomaly from satellite gravity gradiometry data by GOCE in Japan Ms9.0 strong earthquake region

被引：4

作者：

Zhang Yong-zhi ^{[1
]}

Xu Hai-jun ^{[1
]}

Wang Wei-dong ^{[1
]}

Duan Hu-rong ^{[2
]}

Zhang Ben-ping ^{[1
]}

机构：

[1] Changan Univ, Inst Geol Engn & Geomat, Xian 710054, Peoples R China

[2] Shaanxi Railway Inst, shaanxi 714000, Peoples R China

来源：

2011 3RD INTERNATIONAL CONFERENCE ON ENVIRONMENTAL SCIENCE AND INFORMATION APPLICATION TECHNOLOGY ESIAT 2011, VOL 10, PT A | 2011年 / 10卷

基金：

中国国家自然科学基金;

关键词：

Ms9.0; earthquake; satellite gravity gradiometry; gravity anomaly; Pacific plate; extrusion action; ILL-POSED PROBLEMS; FIELD; GRACE;

D O I：

10.1016/j.proenv.2011.09.086

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The great tsunami and secondary disasters caused by Ms9.0 strong earthquake occurred in northeastern Japan on March 11, 2011 has attracted widely public attention from all over the world. In this paper, gravity anomaly is calculated in the region between east longitude 132 and 145, north latitude 35 and 50 by using satellite gravity gradiometry data observed by GOCE(Gravity field and steady-state Ocean Circulation Explorer). The computed gravity anomaly is compared with the topographical data and location of seismic activity in this region. The results show that gravity anomaly has great consistency with the regional tectonic distribution and Ms9.0 strong earthquake occurred in the steep gravity gradient zone. The spatial distribution of the gravity anomaly has obviously correspondence with extrusion action from the Pacific plate. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Conference ESIAT2011 Organization Committee.

引用

页码：529 / 534

页数：6

共 45 条

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