Possibility of recovery of slip deficit rate between the North American plate and the Pacific plate off Sanriku, northeast Japan

Possibility of recovery of slip deficit rate between the North American plate and the Pacific plate off Sanriku, northeast Japan
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日本东北部三陆海域北美板块与太平洋板块之间滑移赤字率恢复的可能性

DOI:
10.1029/2007gl030477
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发表时间:
2007
影响因子:
5.2
通讯作者:
H. Munekane
H. Munekane
中科院分区:
地球科学1区
文献类型:
--
作者:
S. Ozawa;H. Suito;T. Nishimura;M. Tobita;H. Munekane

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对全球定位系统(GPS)数据的分析表明,从2003年左右开始,日本东北部岩手县向西的地面速度在经历了一段大致恒定的地壳变形速率之后有所增加。位移时间序列的时空研究表明,在1994年三陆冲地震震源区的较深部分,从2001年到2003年,向西滑动亏损率略有增加。自2003年1月以来,增加幅度相当大,滑动亏损率增加的区域扩大了,现在覆盖了1994年三陆冲地震的震源区。这表明,受1994年地震影响的滑动亏损率的恢复在1994年至2003年期间没有完成。
The analysis of global positioning system (GPS) data shows an increase in the westward ground velocity in Iwate, northeast Japan, from around 2003, after a period of roughly constant crustal deformation rate. The spatiotemporal study of time series of displacements reveals that the westward slip deficit rate increased slightly from 2001 to 2003 at the deeper part of the source region of the 1994 Sanriku‐oki earthquake. The increase has been considerable since January 2003, and the area of increased slip deficit rate has expanded, and now covers the source region of the 1994 Sanriku‐oki earthquake. This indicates that the restoration of the slip deficit rate, which was affected by the 1994 earthquake, was not completed in the period from 1994 to 2003.
Sawada Y.:“从空中观察肯尼亚裂谷中的第四纪火山和断层。”
DOI: --
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DOI: 10.1029/2004jb003001
发表时间: 2004-12-22
影响因子: 3.9
作者:
Kato, N
通讯作者: Kato, N