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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Recent Milestones in Unraveling the Full-Field Structure of Dynamic Shear Cracks and Fault Ruptures in Real-Time: From Photoelasticity to Ultrahigh-Speed Digital Image Correlation
TL;DR: In this article, the authors present a full-field quantification of the temporal evolution of dynamic shear ruptures based on digital image correlation combined with ultra-high-speed photography.
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3D Cohesive End-Zone Model for Source Scaling of Strike-Slip Interplate Earthquakes
TL;DR: In this paper, a 3D, static fracture mechanics model of earthquake rupture that in-corates cohesive end zones (CEZs), or zones of increased frictional strength, is tested to determine whether it helps to understand the observed scaling behavior of average slip with rupture dimensions for shallow continental, interplate strike-slip earthquakes.
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Impulsive Source of the 2017 MW=7.3 Ezgeleh, Iran, Earthquake.
Baptiste Gombert,Baptiste Gombert,Zacharie Duputel,Elham Shabani,Luis Rivera,Romain Jolivet,James Hollingsworth +6 more
TL;DR: An impulsive seismic source with a strong southward rupture directivity, consistent with significant damage south of the epicenter is revealed, and it is shown that the slip direction does not match plate convergence, implying that some of the accumulated strain must be partitioned onto other faults.
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Moment Tensor and Rupture Model for the 1949 Olympia, Washington, Earthquake and Scaling Relations for Cascadia and Global Intraslab Earthquakes
TL;DR: In this article, the authors reanalyzed the 13 April 1949 Olympia, Washington, earthquake by using digitized records and first-motion polarities from long-period seismograms and inferred that deeper intraslab earthquakes have a significantly smaller combined area of asperities than those compiled for shallower strike-slip earthquakes with the same seismic moment.
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Earth science: Is earthquake rupture deterministic? (Reply)
Erik L. Olson,Richard M. Allen +1 more
TL;DR: Rydelek and Horiuchi as mentioned in this paper presented an analysis of earthquakes in Japan whose magnitudes (M) ranged from 6.0 to 8.0 and determined τpmax, the peak predominant period for P-wave arrival, for the five nearest Hi-net seismic-network stations and plot the event-averaged τ pmax versus magnitude.
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.