Transient crustal deformation in Tokai region, central Japan, until May 2004
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- 作者：Shinzaburo Ozawa ; Makoto Murakami ; Masaru Kaidzu ; Yuki Hatanaka
- 关键词：Tokai ; transient crustal deformation ; aseismic slip
- 刊名：Earth, Planets and Space
- 出版年：2005
- 出版时间：October 2005
- 年：2005
- 卷：57
- 期：10
- 页码：909-915
- 全文大小：2963KB
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Makoto Murakami (12)
Masaru Kaidzu (12)
Yuki Hatanaka (12)
12. Geography and Crustal Dynamics Research Center, Geographical Survey Institute of Japan, Kitasato-1, Tsukuba Ibaraki, 305-0811, Japan - 刊物类别：Earth Sciences, general; Geology; Geophysics/Geodesy;
- 刊物主题：Earth Sciences, general; Geology; Geophysics/Geodesy;
- 出版者：Springer Berlin Heidelberg
- ISSN：1880-5981
文摘
An analysis of Global Positioning System (GPS) data reveals a continuation of the transient crustal deformation that was first reported by Ozawa et al. (2002) in the western Tokai region. Kalman filtering following the time-dependent inversion shows a slow-thrust slip occurring on the plate boundary in the western Tokai region, with its center around Lake Hamana, which is adjacent to the anticipated Tokai earthquake source area. The moment release from the Tokai silent earthquake was observed to be continuous surpassing Mw 7.0 in May 2004, with relative slip increases to the northeast and north of Lake Hamana from 2002. The moment release rate decreased in 2002, and then increased in 2003, reaching the rate observed in 2001. Key words Tokai transient crustal deformation aseismic slip