Evolution of b-value during the seismic cycle: Insights from laboratory experiments on simulated faults
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In this article, the authors investigated the evolution of the frequency-magnitude b-value during stable and unstable frictional sliding experiments using a biaxial shear configuration.About:
This article is published in Earth and Planetary Science Letters.The article was published on 2018-01-15 and is currently open access. It has received 86 citations till now. The article focuses on the topics: Shear stress & Shearing (physics).read more
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The Mechanics Of Earthquakes And Faulting
TL;DR: In this paper, the stability of steady frictional sliding, inertia and the quasi-static limit of the quasistatic limit were investigated in the context of the ps 4.1 simulator.
Time-resolved studies of stick-slip motion in sheared granular layers
TL;DR: In this paper, the effects of varying the stiffness k of the driving system and the driving velocity V are studied in detail, and the time dependence of the instantaneous velocity of the upper plate and the frictional force produced by the granular layer are determined within individual slipping events.
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Similarity of fast and slow earthquakes illuminated by machine learning
Claudia Hulbert,Bertrand Rouet-Leduc,Paul A. Johnson,Christopher X. Ren,Jacques Rivière,David C. Bolton,Chris Marone +6 more
TL;DR: In this article, the authors show that both slow and fast slip modes are preceded by a cascade of micro-failure events that radiate elastic energy in a manner that foretells catastrophic failure.
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DeepDetect: A Cascaded Region-Based Densely Connected Network for Seismic Event Detection
TL;DR: This paper proposes a novel cascaded region-based convolutional neural network to capture earthquake events in different sizes while incorporating contextual information to enrich features for each proposal, and formulate the detection problem as a learning-from-noise problem.
References
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The Mechanics of Earthquakes and Faulting
TL;DR: The connection between faults and the seismicity generated is governed by the rate and state dependent friction laws -producing distinctive seismic styles of faulting and a gamut of earthquake phenomena including aftershocks, afterslip, earthquake triggering, and slow slip events.
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Frequency of earthquakes in California
TL;DR: In this article, a statistical comparison of earthquake frequency in California with that of the world as a whole was made by comparing the historical record of the earthquake frequency of California with the global average.
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The frequency-magnitude relation of microfracturing in rock and its relation to earthquakes
TL;DR: In this paper, the frequency-magnitude relation of microfracture deformation was studied and the dependence of the parameter b on rock type, stress, and confining pressure was found to depend primarily on stress.
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Contact force measurements and stress-induced anisotropy in granular materials.
TL;DR: Measurements of the normal and tangential grain-scale forces inside a two-dimensional system of photoelastic disks that are subject to pure shear and isotropic compression show the underlying differences between these two stress states.
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Quasi-static fault growth and shear fracture energy in granite
TL;DR: In this article, the failure process in a brittle granite sample can be stabilized by controlling axial stress to maintain a constant rate of acoustic emission, and the post-failure stress curve can be followed quasi-statically, extending to hours the fault growth process.