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学科主题: 生物科学::普通生物学
题名: High-resolution seismic tomography of the 2015 M(w)7.8 Gorkha earthquake, Nepal: Evidence for the crustal tearing of the Himalayan rift
作者: Pei, SP (Pei, Shunping)1; Liu, HB (Liu, Hongbing)1; Bai, L (Bai, Ling)1; Liu, YB (Liu, Yanbing)1; Sun, Q (Sun, Quan)1
通讯作者: Pei, SP
关键词: VELOCITY STRUCTURE ; YUSHU EARTHQUAKE ; BENEATH SOUTHERN ; TIBET ; CONSTRAINTS ; AFTERSHOCKS ; KATHMANDU ; BOUNDARY ; QINGHAI ; THRUST
刊名: GEOPHYSICAL RESEARCH LETTERS
发表日期: 2016
DOI: 10.1002/2016GL069808
卷: 43, 期:17, 页:9045-9052
收录类别: SCI
合作性质: 国内
文章类型: Article
部门归属: 生态
英文摘要: The M(w)7.8 Gorkha earthquake struck Nepal and ruptured the boundary between the Indian and Eurasian plates. We conducted 2-D Pg wave tomography to clarify the seismogenic structure and try to understand causal mechanisms for this large earthquake, using the aftershock data recorded by 15 broadband seismic stations located near the China-Nepal border. Our high-resolution results show that coseismic slip area of the main shock is consistent with the high P wave velocity anomaly, and the region of maximum slip has a larger area with higher velocity than the region of initial slip, possibly resulting in the dominant low-frequency radiation of energy observed after the dominant high-frequency radiation of energy in the source rupture process. The boundary between these regions of contrasting high and low seismic velocity anomalies suggests a potential crustal tearing at the southern end of the Tangra Yum Co Rift, possibly resulting from different thrust speeds in the Greater Himalaya.
语种: 英语
WOS记录号: WOS:000385357200028
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7606
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing, Peoples R China

Recommended Citation:
Pei, SP ,Liu, HB ,Bai, L ,et al. High-resolution seismic tomography of the 2015 M(w)7.8 Gorkha earthquake, Nepal: Evidence for the crustal tearing of the Himalayan rift[J]. GEOPHYSICAL RESEARCH LETTERS,2016,43(17):9045-9052.
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