Distinguishing underground nuclear test by full moment tensor inversion

HE Yongfeng; LI Kai; ZENG Legui; YAO Guozheng; ZHAO Kechang; ZHANG Xianbing; LIU Bingcan

doi:10.11883/bzycj-2017-0029

Volume 38 Issue 5

Jul. 2018

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HE Yongfeng, LI Kai, ZENG Legui, YAO Guozheng, ZHAO Kechang, ZHANG Xianbing, LIU Bingcan. Distinguishing underground nuclear test by full moment tensor inversion[J]. Explosion And Shock Waves, 2018, 38(5): 985-992. doi: 10.11883/bzycj-2017-0029

Citation:

HE Yongfeng, LI Kai, ZENG Legui, YAO Guozheng, ZHAO Kechang, ZHANG Xianbing, LIU Bingcan. Distinguishing underground nuclear test by full moment tensor inversion[J]. Explosion And Shock Waves, 2018, 38(5): 985-992. doi: 10.11883/bzycj-2017-0029

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Distinguishing underground nuclear test by full moment tensor inversion

doi: 10.11883/bzycj-2017-0029

1.
Army Armored Forces Academy, Beijing 100072, China
2.
School of Earth & Space Sciences, Peking University, Beijing 100871, China

Received Date: 2017-01-20
Rev Recd Date: 2017-03-28
Publish Date: 2018-09-25

Abstract

Abstract

The full moment tensor inversion is an important tool to monitor underground nuclear tests, thus has been employed in this paper to analyze the recorded data of seven underground nuclear tests and three natural earthquakes in the region of Eastern Kazakhstan. The results show that, except the obvious explosion source in underground nuclear tests, the components of double couple (DC) and compensate linear vector dipole (CLVD) also exist, in which the later plays a more important role and could be explained by the explosion-induced spall. In the case of natural earthquakes, the DC component is the main contribution, in consistent with the model of shear dislocation seismic source.
- underground nuclear test,
- surface wave,
- Green function,
- full moment tensor inversion,
- CLVD source

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References

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