Geodynamic background of the 2008 Wenchuan earthquake based on 3D visco-elastic numerical modelling
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- 作者：Chang Liua ; b ; c ; liu@geologie.ens.fr" class="auth_mail" title="E-mail the corresponding author ; Bojing Zhud ; Xiaolin Yange ; Yaolin Shic
- 关键词：Wenchuan earthquake ; Lushan earthquake ; Longmen Shan fault ; Stress concentration ; Viscosity contrast
- 刊名：Physics of the Earth and Planetary Interiors
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：252
- 期：Complete
- 页码：23-36
- 全文大小：2085 K
文摘
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Stress concentration in the fault zone is responsible for the Wenchuan earthquake.
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Stress concentration is controlled by the crust rheological structure.
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Large horizontal viscosity variation accelerates the stress concentration.
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Fast moving lower crustal flow accelerates the stress concentration.
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The along-strike stress distribution explains the fault motion during the earthquake.
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