globalchange  > 科学计划与规划
DOI: 10.1002/2016GL069603
论文题名:
Recurring large deep earthquakes in Hindu Kush driven by a sinking slab
作者: Zhan Z.; Kanamori H.
刊名: Geophysical Research Letters
ISSN: 0094-8841
EISSN: 1944-8572
出版年: 2016
卷: 43, 期:14
起始页码: 7433
结束页码: 7441
语种: 英语
英文关键词: deep earthquakes ; intermediate-depth earthquakes ; subduction
Scopus关键词: Geophysics ; Convergence rates ; Deep earthquakes ; Intermediate-depth earthquakes ; Internal deformation ; Rupture process ; Sinking slabs ; Subduction ; Subduction zones ; Earthquakes
英文摘要: Hindu Kush subduction zone produces large intermediate-depth earthquakes within a small volume every 10–15 years. Here we study the last three M ≥ 7 events within the cluster and find complex and diverse rupture processes. However, their main subevents appear to recur on the same fault patch, dipping 70° to the south. This recurrence requires an average of 9.6 cm/yr slip rate on the patch, much higher than the ~1 cm/yr surface convergence rate measured geodetically. The high slip rate is likely caused by significant slab internal deformation, such as localized slab stretching/necking. We infer that the Hindu Kush subducted slab below 210 km is sinking through the mantle at a vertical rate of 10 cm/yr. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84978431676&doi=10.1002%2f2016GL069603&partnerID=40&md5=d0cc7c1b0d452f064b7d844887422b7a
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9804
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Seismological Laboratory, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, United States

Recommended Citation:
Zhan Z.,Kanamori H.. Recurring large deep earthquakes in Hindu Kush driven by a sinking slab[J]. Geophysical Research Letters,2016-01-01,43(14).
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