DOI: 10.1002/2014GL060691
论文题名: Fault constitutive relations inferred from the 2009-2010 slow slip event in Guerrero, Mexico
作者: Maury J. ; Aochi H. ; Radiguet M.
刊名: Geophysical Research Letters
ISSN: 0094-9928
EISSN: 1944-9659
出版年: 2014
卷: 41, 期: 14 起始页码: 4929
结束页码: 4936
语种: 英语
英文关键词: friction law
; slow slip event
Scopus关键词: Friction
; Characteristic length
; Complex trajectories
; Constitutive relations
; Friction behavior
; Friction laws
; Kinematic inversion
; Slow slip events
; Spatiotemporal evolution
; Earthquakes
; fault slip
; kinematics
; perturbation
; shear stress
; spatiotemporal analysis
; stress change
; trajectory
; Guerrero
; Mexico [North America]
英文摘要: The spatiotemporal evolution of stress state is analyzed during the 2009-2010 Slow Slip Event (SSE) of Guerrero, Mexico, based on the kinematic inversion results and using an integral expression for stress changes. A linear slip weakening behavior is generally observed during the SSE with an average slope of -0.5 ± 0.2MPa/m regardless the perturbation due to the 27 February 2010 Mw = 8.8 Maule, Chile earthquake. This slope remains unchanged before and after the Maule earthquake. However, for some area, the friction behavior changes from slip hardening to slip weakening following the Maule earthquake. The complex trajectory between shear stress and slip velocity is fitted with a rate- and state friction law through an inversion. The direct (rate) effect (parameter A) is found to be very small, lower by an order of magnitude than the evolutional (state) effect (parameter B). The characteristic length L is obtained as 5 cm on average. © 2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84904532898&doi=10.1002%2f2014GL060691&partnerID=40&md5=4e652981ef34a0ff7cc6c2dc33bc3f43
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7192
Appears in Collections: 气候减缓与适应
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作者单位: Risk and Prevention Division, BRGM, Orleans, France
Recommended Citation:
Maury J.,Aochi H.,Radiguet M.. Fault constitutive relations inferred from the 2009-2010 slow slip event in Guerrero, Mexico[J]. Geophysical Research Letters,2014-01-01,41(14).