globalchange  > 科学计划与规划
DOI: 10.1002/2016GL068113
论文题名:
Heterogeneous rheology controlled postseismic deformation of the 2011 Tohoku-Oki earthquake
作者: Muto J.; Shibazaki B.; Iinuma T.; Ito Y.; Ohta Y.; Miura S.; Nakai Y.
刊名: Geophysical Research Letters
ISSN: 0094-9660
EISSN: 1944-9391
出版年: 2016
卷: 43, 期:10
起始页码: 4971
结束页码: 4978
语种: 英语
英文关键词: geodesy ; postseismic deformation ; rheology ; subduction zone ; Tohoku-Oki earthquake ; viscoelastic relaxation
Scopus关键词: Earthquakes ; Elasticity ; Finite element method ; Geodesy ; Geophysics ; Rheology ; Tectonics ; Viscoelasticity ; Volcanoes ; 2011 Tohoku-Oki earthquakes ; Geodetic networks ; Lithosphere-asthenosphere boundary ; Postseismic deformation ; Quaternary volcanoes ; Subduction zones ; Tohoku-Oki earthquakes ; Viscoelastic relaxation ; Deformation
英文摘要: Using two-dimensional finite element modeling, we reproduced the observed postseismic deformation of the 2011 Tohoku-Oki earthquake. Our model, which accounts for the lithosphere-asthenosphere boundary and weak zones beneath volcanoes, was able to reproduce small-scale (<20 km) perturbations in postseismic deformation observed by the dense geodetic network, such as local subsidence around Quaternary volcanoes. The inverted afterslip has a peak at the downdip limit of the main rupture region on the subducting plate interface, consistent with physical predictions. The combination of afterslip and viscoelastic relaxation in a heterogeneous rheology model explains the observations well, even on small scales. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84971320430&doi=10.1002%2f2016GL068113&partnerID=40&md5=653f0b7b8b23a3908a52111692cf841a
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10623
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Department of Earth Science, Tohoku University, Sendai, Japan

Recommended Citation:
Muto J.,Shibazaki B.,Iinuma T.,et al. Heterogeneous rheology controlled postseismic deformation of the 2011 Tohoku-Oki earthquake[J]. Geophysical Research Letters,2016-01-01,43(10).
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