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DOI | 10.1002/2017GL074577 |
Relative surface wave amplitude and phase anomalies from the Democratic People's Republic of Korea announced nuclear tests | |
Ichinose, G. A.; Myers, S. C.; Ford, S. R.; Pasyanos, M. E.; Walter, W. R. | |
2017-09-16 | |
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:17 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | We performed relative locations of six event pairs based on surface wave (SW) and body wave (BW) differential traveltimes of the 9 September 2016, 6 January 2016, 12 February 2013, and 25 May 2009 announced North Korea nuclear explosions. The SW relative locations for the 25 May 2009 and 12 February 2013 events were inconsistent with the BWs when paired with other events, and only the 6 January 2016/9 September 2016 pair was consistent. Apparent SW phase shift is investigated with respect to the BW relative locations. The pairs formed with the 25 May 2009 and 12 February 2013 events, beneath the southeast slope of Mount Mant'ap, have the largest phase shifts and amplitude ratio deviations, whereas the least deviation was from the 6 January 2016 and 9 September 2016 event pair beneath the mountain peak. Regional moment tensors (MTs) predict the amplitude ratios but do not resolve the relative phase. We find that MTs with 10% difference in isotropic and rotated +CLVD can fit both relative phase and amplitude ratios. SW relative locations of highly isotropic and correlated explosion clusters can be affected by topography and small differences in MT. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000411702400021 |
WOS关键词 | HIGH-PRECISION LOCATION ; SOURCE PARAMETERS ; EXPLOSIONS ; EARTHQUAKES ; RELEASE ; EQUALIZATION |
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/28671 |
专题 | 气候变化 |
作者单位 | Lawrence Livermore Natl Lab, Livermore, CA 94550 USA |
推荐引用方式 GB/T 7714 | Ichinose, G. A.,Myers, S. C.,Ford, S. R.,et al. Relative surface wave amplitude and phase anomalies from the Democratic People's Republic of Korea announced nuclear tests[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(17). |
APA | Ichinose, G. A.,Myers, S. C.,Ford, S. R.,Pasyanos, M. E.,&Walter, W. R..(2017).Relative surface wave amplitude and phase anomalies from the Democratic People's Republic of Korea announced nuclear tests.GEOPHYSICAL RESEARCH LETTERS,44(17). |
MLA | Ichinose, G. A.,et al."Relative surface wave amplitude and phase anomalies from the Democratic People's Republic of Korea announced nuclear tests".GEOPHYSICAL RESEARCH LETTERS 44.17(2017). |
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