| 日本9.0级地震断层分布和错动方式探讨 |
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| 引用本文： | 尹继尧,朱元清. 日本9.0级地震断层分布和错动方式探讨[J]. 大地测量与地球动力学, 2011, 31(2): 12-16 |
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| 作者姓名： | 尹继尧 朱元清 |
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| 作者单位： | 1)同济大学海洋与地球科学学院，上海 200092 ;2)上海市地震局，上海 200062 |
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| 摘 要： | 结合日本区域地质构造、板块运动、震源附近日本区域GPS站点同震位移,及余震震源机制解,对日本9.0级地震的断层分布和错动方式进行了探讨,初步推断此次地震可能是太平洋板块向欧亚板块下方俯冲和挤压,造成板块边界附近应力不断集中,当应力/应变强度超过摩擦强度或岩石的破裂强度时,在欧亚板块内部深度为10～20 km范围内、倾角...
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| 关 键 词： | 日本9.0级地震 GPS 震源机制 断层分布 错动方式 |
PRELIMINARY DISCUSSION ON DISTRIBUTION AND DIALACATION MODE OF THE FAULT FOR Ms9.0 EARTHQUAKE IN HONSHU,JAPAN |
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| Yin Jiyao,Zhu Yuanqing. PRELIMINARY DISCUSSION ON DISTRIBUTION AND DIALACATION MODE OF THE FAULT FOR Ms9.0 EARTHQUAKE IN HONSHU,JAPAN[J]. Journal of Geodesy and Geodynamics, 2011, 31(2): 12-16 |
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| Authors: | Yin Jiyao Zhu Yuanqing |
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| Affiliation: | Yin Jiyao1,2) and Zhu Yuanqing2,1) 1)School of Ocean and Earth Science,Tongji University,Shanghai 200092 2)Earthquake Administration of Shanghai Municipality,Shanghai 200062 |
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| Abstract: | The dynamic environment of the Ms9.0 earthquake off the east coast of Honshu,Japan preliminarily discussed by using Japanese lacal geological structure,plate tectonics,post and co-smemic displacement at GPS stations in Japan area,focal mechanisms and so on.It can be compresses judged that the earthquake might happen in this way that the Pacific plate dives and compresses to below Eurasian plate,the stress between Pacific plate and Eurasian plate accumulates along with time,when the stress/strain intensity e... |
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| Keywords: | Ms9.0 earthquake off the east coast of Honshu in Japan GPS focal mechanisms fault distribution slip about fault |
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