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DOI10.1002/2015GL066473
Faulting structure above the Main Himalayan Thrust as shown by relocated aftershocks of the 2015 M(w)7.8 Gorkha, Nepal, earthquake
Bai, Ling; Liu, Hongbing; Ritsema, Jeroen; Mori, James; Zhang, Tianzhong; Ishikawa, Yuzo; Li, Guohui
通讯作者Bai, L (通讯作者)
发表日期2016
ISSN0094-8276
EISSN1944-8007
起始页码637
结束页码642
卷号43期号:2
英文摘要The 25 April 2015, M(w)7.8 Gorkha, Nepal, earthquake ruptured a shallow section of the Indian-Eurasian plate boundary by reverse faulting with NNE-SSW compression, consistent with the direction of current Indian-Eurasian continental collision. The Gorkha main shock and aftershocks were recorded by permanent global and regional arrays and by a temporary local broadband array near the China-Nepal border deployed prior to the Gorkha main shock. We relocate 272 earthquakes with M-w > 3.5 by applying a multiscale double-difference earthquake relocation technique to arrival times of direct and depth phases recorded globally and locally. We determine a well-constrained depth of 18.5 km for the main shock hypocenter which places it on the Main Himalayan Thrust (MHT). Many of the aftershocks at shallower depths illuminate faulting structure in the hanging wall with dip angles that are steeper than the MHT. This system of thrust faults of the Lesser Himalaya may accommodate most of the elastic strain of the Himalayan orogeny.
关键词LOCATION ALGORITHMCOLLISION ZONEPLATE BENEATHSEISMOTECTONICSGEOMETRYALOS-2INDIA
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000372056400019
来源期刊GEOPHYSICAL RESEARCH LETTERS
来源机构中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/258830
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GB/T 7714
Bai, Ling,Liu, Hongbing,Ritsema, Jeroen,et al. Faulting structure above the Main Himalayan Thrust as shown by relocated aftershocks of the 2015 M(w)7.8 Gorkha, Nepal, earthquake[J]. 中国科学院青藏高原研究所,2016,43(2).
APA Bai, Ling.,Liu, Hongbing.,Ritsema, Jeroen.,Mori, James.,Zhang, Tianzhong.,...&Li, Guohui.(2016).Faulting structure above the Main Himalayan Thrust as shown by relocated aftershocks of the 2015 M(w)7.8 Gorkha, Nepal, earthquake.GEOPHYSICAL RESEARCH LETTERS,43(2).
MLA Bai, Ling,et al."Faulting structure above the Main Himalayan Thrust as shown by relocated aftershocks of the 2015 M(w)7.8 Gorkha, Nepal, earthquake".GEOPHYSICAL RESEARCH LETTERS 43.2(2016).
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