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DOI | 10.1002/2016GL071304 |
Time reversal imaging of the 2015 Illapel tsunami source | |
An, Chao; Meng, Lingsen | |
2017-02-28 | |
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:4 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Studies of the 2015 Illapel earthquake show large variance in the east-west location of the principal slip, and it is also controversial if there is significant slip near the trench. In this study, we derive the initial water elevation from tsunami waves based on the time reversal imaging technique. This approach does not make assumptions on the fault geometry required by finite-fault inversions. We adopt 4 out of total 24 stations based on their azimuthal coverage in the time reversal analysis. Additionally, we introduce a correction that scales the wave amplitude at each station by the epicentral distance to account for the 2-D spreading effects. The results show a focused region of water elevation with a maximum height of 2.0 m located approximately 30 km from the trench. By comparison to the initial deformation predicted by several finite-fault models, our results indicate minimum slip distribution near the trench. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396411100014 |
WOS关键词 | TOHOKU EARTHQUAKE ; SURFACE DEFORMATION ; SUMATRA EARTHQUAKE ; TELESEISMIC BODY ; RUPTURE PROCESS ; PACIFIC COAST ; CHILE ; FAULT ; INVERSION ; SLIP |
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/26925 |
专题 | 气候变化 |
作者单位 | Univ Calif Los Angeles, Earth Planetary & Space Sci, Los Angeles, CA 90095 USA |
推荐引用方式 GB/T 7714 | An, Chao,Meng, Lingsen. Time reversal imaging of the 2015 Illapel tsunami source[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(4). |
APA | An, Chao,&Meng, Lingsen.(2017).Time reversal imaging of the 2015 Illapel tsunami source.GEOPHYSICAL RESEARCH LETTERS,44(4). |
MLA | An, Chao,et al."Time reversal imaging of the 2015 Illapel tsunami source".GEOPHYSICAL RESEARCH LETTERS 44.4(2017). |
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