[1]WANG Shao-jin,ZHANG Jian-guo,YU Qing-kun,et al.Focal Mechanism of Strong and Medium-small Earthquakes and Modern Tectonic Stress-Field of the Red-River Fault Zone[J].Journal of Seismological Research,2010,33(02):200-207.
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Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
33
Number of periods:
2010 02
Page number:
200-207
Column:
Public date:
2010-02-01
- Title:
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Focal Mechanism of Strong and Medium-small Earthquakes and Modern Tectonic Stress-Field of the Red-River Fault Zone
- Author(s):
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WANG Shao-jin; ZHANG Jian-guo; YU Qing-kun; LONG Xiao-fan
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(Earthquake Administration of Yunnan Province,Kunming 650224,Yunnan,China)
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- Keywords:
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focal mechanism solution; tectonic stress field; focal rupture
- CLC:
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P315.2
- DOI:
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- Abstract:
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Using the mechanism solutions of the strong and medium-small earthquakes in the Red-River Fault Zone and its vicinity,we analyze the distribution of the modern tectonic stress-field of the Fault Zone and discuss the Characteristics of the focal rupture of the earthquakes alongside the Fault Zone.We find that the orientation of the main stress of focal mechanism is predominant.Focal rupture plane exposes the general state of the modern tectonic stress field of the Fault Zone and shows the main features of focal rupture.The stress field and features of the focal rupture in north segment are remarkably different from the ones in the middle segment but highly similar with the ones in south segment.