Sublithostatic pore fluid pressure in the brittle-ductile transition zone of Mesozoic Yingxiu-Beichuan fault and its implication for the 2008 Mw 7.9 Wenchuan earthquake
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- 作者：Liang Hana ; b ; hanliangla@163.com" class="auth_mail" title="E-mail the corresponding author ; Yongsheng Zhoub ; Zhouysh@ies.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Changrong Heb ; Haibing Lia
- 关键词：Mw 7.9 Wenchuan earthquake ; Yingxiu-Beichuan fault ; Sublithostatic pore fluid pressure ; Brittle&ndash ; ductile transition zone ; Rheological profiles
- 刊名：Journal of Asian Earth Sciences
- 出版年：2016
- 出版时间：1 March 2016
- 年：2016
- 卷：117
- 期：Complete
- 页码：107-118
- 全文大小：3613 K
文摘
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The flow stress below the brittle-ductile transition zone of Mesozoic YBF is 15–80 MPa.
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Sublithostatic pore fluid pressure exists in the brittle-ductile transition zone of Mesozoic YBF.
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Rheological profiles combined with pore fluid pressure were constructed.
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Elevated pore fluid pressure would weaken the fault and allow frictional slip in a deeper depth.