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High-Precision Relocation and Event Discrimination for the 3 September 2017 Underground Nuclear Explosion and Subsequent Seismic Events at the North Korean Test Site
He, Xi1,3; Zhao, Lian-Feng1; Yao, Zhen-Xing1; Xie, Xiao-Bi2
2018-11-01
发表期刊SEISMOLOGICAL RESEARCH LETTERS
ISSN0895-0695
卷号89期号:6页码:2042-2048
摘要On 3 September 2017, a strong seismic event occurred at the North Korean nuclear test site near the border between China and North Korea. Using P/S-type spectral ratios calculated from regional seismic data, we identified this event as an explosion. Using a high-precision relative location method, with the first North Korean nuclear test as the master event, we obtained that the epicenter of this explosion was at 41.3018 degrees N and 129.0696 degrees E with a relative location precision of similar to 87 m based on the error ellipse. This explosion was followed by three moderate seismic events, which occurred 8 min after the explosion, on 23 September and 12 October 2017, respectively. The relocation suggests that the first postexplosion event occurred under the same mountain as the nuclear tests, but the other two events were located about 8 km to the northeast of the explosion. Based on their spectral ratios, these postexplosion events are clearly distinguished from the explosions.
DOI10.1785/0220180164
资助者National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
关键词[WOS]OCTOBER 2006 ; CENTRAL-ASIA ; EARTHQUAKES ; CHINA ; LOCATION ; YIELD
语种英语
资助项目National Key Research and Development Program of China[2017YFC0601206] ; National Natural Science Foundation of China[41674060] ; National Natural Science Foundation of China[41630210]
资助者National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000448780200008
出版者SEISMOLOGICAL SOC AMER
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89146
专题地球与行星物理院重点实验室
通讯作者He, Xi
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, 19 Beitucheng West Rd, Beijing 100029, Peoples R China
2.Univ Calif Santa Cruz, Inst Geophys & Planetary Phys, 1156 High St, Santa Cruz, CA 95064 USA
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
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GB/T 7714
He, Xi,Zhao, Lian-Feng,Yao, Zhen-Xing,et al. High-Precision Relocation and Event Discrimination for the 3 September 2017 Underground Nuclear Explosion and Subsequent Seismic Events at the North Korean Test Site[J]. SEISMOLOGICAL RESEARCH LETTERS,2018,89(6):2042-2048.
APA He, Xi,Zhao, Lian-Feng,Yao, Zhen-Xing,&Xie, Xiao-Bi.(2018).High-Precision Relocation and Event Discrimination for the 3 September 2017 Underground Nuclear Explosion and Subsequent Seismic Events at the North Korean Test Site.SEISMOLOGICAL RESEARCH LETTERS,89(6),2042-2048.
MLA He, Xi,et al."High-Precision Relocation and Event Discrimination for the 3 September 2017 Underground Nuclear Explosion and Subsequent Seismic Events at the North Korean Test Site".SEISMOLOGICAL RESEARCH LETTERS 89.6(2018):2042-2048.
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