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Cataclastic deformation of garnet: a record of synseismic loading and postseismic creep
Journal of Structural Geology, 2002Abstract Microstructural evidence for episodic deformation of the uppermost plastosphere related to failure of the schizosphere in major seismic events has been previously reported from the Sesia Zone, Western Alps, with inferred extraordinarily high stresses and strain rates for the early stages of creep during stress relaxation at temperatures of ...
Claudia A. Trepmann, Bernhard Stöckhert
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3D Green's functions for coseismic and postseismic deformation
2018Finite fault slip inversions are constrained by observational data of surface displacement and Green's functions calculated via a forward model of surface deformation. Although observational techniques in space geodesy have improved greatly in recent years, models of earthquake deformation generally do not include realistic Earth structure. Many finite
Langer, L. +3 more
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Postseismic deformation following the 1991 Racha, Georgia earthquake
2010The April 29, 1991 Racha, Georgia Mw=6.9 earthquake was the largest earthquake recorded in the western section of the Greater Caucasus Mountains. Lithospheric deformation following this earthquake was recorded by a network of eight GPS stations. These data were modeled for postseismic deformation with the mechanisms of afterslip and viscoelastic ...
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Journal of Geophysical Research: Solid Earth, 1983
The principal purpose of this paper is to examine whether movement of matter in a stratified viscoelastic earth can enhance the excitation of the Chandler wobble. We have constructed analytically a two‐layer model consisting of an elastic lithosphere overlying a Maxwell viscoelastic mantle in order to calculate explicitly the temporal evolution of the ...
Dragoni M., Yuen D. A., Boschi E.
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The principal purpose of this paper is to examine whether movement of matter in a stratified viscoelastic earth can enhance the excitation of the Chandler wobble. We have constructed analytically a two‐layer model consisting of an elastic lithosphere overlying a Maxwell viscoelastic mantle in order to calculate explicitly the temporal evolution of the ...
Dragoni M., Yuen D. A., Boschi E.
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The vertical postseismic deformation following the 2004 Parkfield earthquake
Studies have shown that the postseismic transient following the 2004 Parkfield earthquake is dominated by aftersllip. However, the studies are mainly focus on the horizontal deformation and ignore the vertical deformation. The focus of this study is the postseismic deformion in vertical caused by 2004 event.Weijie Tan, danan dong, junping Chen
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Far-field postseismic deformation of the 2023 Kahramanmaraş earthquake doublet
On 6 February 2023, a major earthquake doublet (Mw 7.8 and Mw 7.6) ruptured the Anatolian plate boundary system. The first event occurred on the East Anatolian Fault (EAF), the principal plate-boundary zone between the Arabian and Eurasian plates, and the second ruptured the Çardak fault north of the western termination of the EAF.Volkan Özbey +8 more
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Revisiting the early postseismic deformation of the 2003 Tokachi-oki earthquake
A logarithmic function is the popular model of temporal evolution of afterslip, derived from the rate-and-state friction law (RSF) under the steady-state assumption (Marone+1991JGR). Relaxing this assumption, self-accelerating aseismic slip is predicted prior to subsequent decay even with velocity velocity-strengthening setting (i.e., a–b> 0 ...Yuji Itoh +3 more
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