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DOI | 10.1002/2017GL072539 |
Intraslab rupture triggering megathrust rupture coseismically in the 17 December 2016 Solomon Islands M-w 7.9 earthquake | |
Lay, Thorne1; Ye, Lingling2; Ammon, Charles J.3; Kanamori, Hiroo2 | |
2017-02-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The 17 December 2016 Solomon Islands earthquake (M-w 7.9) initiated similar to 103 km deep in the subducting Solomon Sea slab near the junction of the Solomon Islands and New Britain trenches. Most aftershocks are located near the Solomon Islands plate boundary megathrust west of Bougainville, where previous large interplate thrust faulting earthquakes occurred in 1995 (M-w 7.7) and 1971 (M-w 8.0). Teleseismic body wave modeling and aftershock relocations indicate that the initial 30 s of the 2016 rupture occurred over depths of 90 to 120 km on an intraslab fault dipping similar to 30 degrees to the southwest, almost perpendicular to the dipping slab interface. The next 50 s of rupture took place at depths of 32 to 47 km in the deeper (Domain C) portion of the overlying megathrust fault dipping similar to 35 degrees to the northeast. High susceptibility to triggering in the region accounts for this compound rupture of two separate fault planes. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396115000012 |
WOS关键词 | GREAT ; DOUBLET |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/28462 |
专题 | 气候变化 |
作者单位 | 1.Univ Calif Santa Cruz, Dept Earth & Planetary Sci, Santa Cruz, CA 95064 USA; 2.CALTECH, Seismol Lab, Pasadena, CA 91125 USA; 3.Penn State Univ, Dept Geosci, University Pk, PA 16802 USA |
推荐引用方式 GB/T 7714 | Lay, Thorne,Ye, Lingling,Ammon, Charles J.,et al. Intraslab rupture triggering megathrust rupture coseismically in the 17 December 2016 Solomon Islands M-w 7.9 earthquake[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(3). |
APA | Lay, Thorne,Ye, Lingling,Ammon, Charles J.,&Kanamori, Hiroo.(2017).Intraslab rupture triggering megathrust rupture coseismically in the 17 December 2016 Solomon Islands M-w 7.9 earthquake.GEOPHYSICAL RESEARCH LETTERS,44(3). |
MLA | Lay, Thorne,et al."Intraslab rupture triggering megathrust rupture coseismically in the 17 December 2016 Solomon Islands M-w 7.9 earthquake".GEOPHYSICAL RESEARCH LETTERS 44.3(2017). |
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