Modeling transient and long-term postseismic deformation: A case study of 1995 M W9.5 Chile earthquake |
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| Authors: | Zhi-gang Shao Rong-shan Fu Ting-xiao Xue and Xian-jie Zha |
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| Institution: | (1) Key Laboratory of Crust-Mantle Materials and Environments, Chinese Academy of Sciences, College of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China |
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| Abstract: | In this paper, we firstly use finite element method (FEM) with Burgers model to simulate the postseismic viscoelastic relaxation
taking 1960 Chile earthquake as an example. The postseismic deformation modeled with Burgers model includes co-seismic deformation,
transient postseismic deformation and long-term postseismic deformation. So if we apply Burgers model to calculate postseismic
deformation of 1960 Chile earthquake, there is no discrepancy phenomenon due to different durations of postseismic deformations
that happens in Maxwell model.
Foundation item: National Natural Science foundation of China (40274033). |
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| Keywords: | Chile earthquake postseismic deformation Burgers model viscoelastic medium FEM |
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