Journal ArticleDOI
Evidence for and implications of self-healing pulses of slip in earthquake rupture
TLDR
In this article, a qualitative model is presented that produces self-healing slip pulses, which is the key feature of the model is the assumption that friction on the fault surface is inversely related to the local slip velocity, and the model has the following features: high static strength of materials (kilobar range), low static stress drops (in the range of tens of bars).About:
This article is published in Physics of the Earth and Planetary Interiors.The article was published on 1990-11-01. It has received 901 citations till now. The article focuses on the topics: Slip (materials science) & Earthquake rupture.read more
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Inferring rate and state friction parameters from a rupture model of the 1995 Hyogo‐ken Nanbu (Kobe) Japan earthquake
TL;DR: In this article, the applicability of laboratory-derived rate and state variable friction laws to the dynamic rupture of the 1995 Kobe earthquake was considered, where the authors analyzed the shear stress and slip evolution of Ide and Takeo's [1997] dislocation model, fitting the inferred stress change time histories by calculating the dynamic load and the instantaneous friction at a series of points within the rupture area.
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Influence of friction and fault geometry on earthquake rupture
TL;DR: In this article, the authors investigated the impact of variations in the friction and geometry on models of fault dynamics, focusing primarily on a three-dimensional continuum model with scalar displacements.
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Relation between mainshock rupture process and Omori's law for aftershock moment release rate
Yan Y. Kagan,Heidi Houston +1 more
TL;DR: In this article, the authors compare the source time functions (i.e., moment release rates) of three large California mainshocks with the seismic moment release rate during their aftershock sequences, and propose that the observed saturation in aftershock numbers described by the time offset parameter c in Omori's law is likely an artefact due to the underreporting of small aftershocks.
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Role of fault branches in earthquake rupture dynamics
TL;DR: In this article, the authors studied the effect of branch length on the probability that a rupture on a branch can be prevented from propagating beyond the branch end and showed that rupture termination on a compressional branch little affects propagation on the main fault compared to the infinite branch cases.
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Dynamic modeling of the 2004 Mw 6.0 Parkfield, California, earthquake
TL;DR: In this paper, the authors present two spontaneous rupture models of the 2004 Mw 6.0 Parkfield earthquake constrained by near-source ground motions using a linear slip-weakening friction law, and utilize trial and error to obtain both the stress conditions and frictional parameters on the fault that produce synthetics consistent with records.
References
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The Determination of the Elastic Field of an Ellipsoidal Inclusion, and Related Problems
TL;DR: In this paper, it is shown that to answer several questions of physical or engineering interest, it is necessary to know only the relatively simple elastic field inside the ellipsoid.
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Tectonic stress and the spectra of seismic shear waves from earthquakes
TL;DR: In this paper, an earthquake model is derived by considering the effective stress available to accelerate the sides of the fault, and the model describes near and far-field displacement-time functions and spectra and includes the effect of fractional stress drop.
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Theoretical basis of some empirical relations in seismology
Hiroo Kanamori,Don L. Anderson +1 more
TL;DR: In this article, an empirical relation involving seismic moment M, energy E, magnitude M, and fault dimension L (or area S) is discussed on the basis of an extensive set of earthquake data (M_S ≧ 6) and simple crack and dynamic dislocation models.
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Modeling of rock friction: 1. Experimental results and constitutive equations
TL;DR: In this paper, it is shown that the strength of the population of points of contacts between sliding surfaces determines frictional strength and that the number of contacts changes continuously with displacements.