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学科主题: 地球科学::地球物理学
题名: Seismological investigation of the 2016 January 6 North Korean underground nuclear test
作者: Zhao, LF (Zhao, Lian-Feng)1; Xie, XB (Xie, Xiao-Bi)2; Wang, WM (Wang, Wei-Min)3; Hao, JL (Hao, Jin-Lai)1; Yao, ZX (Yao, Zhen-Xing)1
通讯作者: Zhao, LF
关键词: HIGH-PRECISION LOCATION ; SEISMIC EVENTS ; OCTOBER 2006 ; CENTRAL-ASIA ; TEST-SITE ; CHINA ; EXPLOSIONS ; YIELD ; DISCRIMINATION ; PN
刊名: GEOPHYSICAL JOURNAL INTERNATIONAL
发表日期: 2016
DOI: 10.1093/gji/ggw239
卷: 206, 期:3, 页:1487-1491
收录类别: SCI
合作性质: 国际
文章类型: Article
部门归属: 碰撞与隆升
英文摘要: Seismology plays an important role in characterizing potential underground nuclear tests. Using broad-band digital seismic data from Northeast China, South Korea and Japan, we investigated the properties of the recent seismic event occurred in North Korea on 2016 January 6. Using a relative location method and choosing the previous 2006 explosion as the master event, the 2016 event was located within the North Korean nuclear test site, with its epicentre at latitude 41.3003A degrees N and longitude 129.0678A degrees E, approximately 900 m north and 500 m west of the previous event on 2013 February 12. Based on the error ellipse, the relocation uncertainty was approximately 70 m. Using the P/S spectral ratios, including Pg/Lg, Pn/Lg and Pn/Sn, as the discriminants, we identify the 2016 event as an explosion rather than an earthquake. The body-wave magnitude calculated from regional wave Lg is m(b)(Lg) equal to 4.7 +/- A 0.2. Adopting an empirical magnitude-yield relation, and assuming that the explosion is fully coupled and detonated at a normally scaled depth, we find that the seismic yield is about 4 kt, with the uncertainties allowing a range from 2 to 8 kt.
语种: 英语
WOS记录号: WOS:000384650400004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7610
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
2.Univ Calif Santa Cruz, Inst Geophys & Planetary Phys, Santa Cruz, CA 95064 USA
3.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100101, Peoples R China

Recommended Citation:
Zhao, LF ,Xie, XB ,Wang, WM ,et al. Seismological investigation of the 2016 January 6 North Korean underground nuclear test[J]. GEOPHYSICAL JOURNAL INTERNATIONAL,2016,206(3):1487-1491.
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