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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
Source PublicationSEISMOLOGICAL RESEARCH LETTERS
ISSN0895-0695
Volume89Issue:6Pages:2042-2048
AbstractOn 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
Funding OrganizationNational 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 KeywordOCTOBER 2006 ; CENTRAL-ASIA ; EARTHQUAKES ; CHINA ; LOCATION ; YIELD
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFC0601206] ; National Natural Science Foundation of China[41674060] ; National Natural Science Foundation of China[41630210]
Funding OrganizationNational 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 Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000448780200008
PublisherSEISMOLOGICAL SOC AMER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/89146
Collection地球与行星物理院重点实验室
Corresponding AuthorHe, Xi
Affiliation1.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
Recommended Citation
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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