Journal ArticleDOI
Ultracataclasite structure and friction processes of the Punchbowl fault, San Andreas system, California
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In this article, an ultracataclasite layer along which the Punchbowl Formation sandstone and an igneous and metamorphic basement complex are juxtaposed is mapped to determine the mode of failure and to constrain the processes of seismic slip.About:
This article is published in Tectonophysics.The article was published on 1998-09-30. It has received 433 citations till now. The article focuses on the topics: Fault (geology) & Slip (materials science).read more
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Journal ArticleDOI
Heating and weakening of faults during earthquake slip
TL;DR: In this article, the authors suggest that the most relevant weakening processes in large crustal events are thermal, and to involve thermal pressurization of pore fluid within and adjacent to the deforming fault core, which reduces the effective normal stress and hence also the shear strength for a given friction coefficient.
Journal ArticleDOI
The physics of earthquakes
Hiroo Kanamori,Emily E. Brodsky +1 more
TL;DR: In this article, a discussion of stress in the crust followed by an overview of earthquake phenomenology, focusing on the parameters that are readily measured by current seismic techniques is presented. But this simple picture is far from complete, as earthquakes are sometimes triggered by other large earthquakes thousands of kilometres away.
Book ChapterDOI
Characterization of Fault Zones
TL;DR: There are currently three major competing views on the essential geometrical, mechanical, and mathematical nature of faults as discussed by the authors : the standard view is that faults are (possibly segmented and heterogeneous) Euclidean zones in a continuum solid.
Journal ArticleDOI
Internal structure and permeability of major strike-slip fault zones: the Median Tectonic Line in Mie Prefecture, Southwest Japan
TL;DR: Fault permeability data from the Median Tectonic Line (MTL) in Mie Prefecture, Southwest Japan suggest that fault permeability models are currently too simplistic for such large structurally complex fault zones.
Journal ArticleDOI
The physics of earthquakes
Hiroo Kanamori,Emily E. Brodsky +1 more
TL;DR: For example, this article showed that seismic waves, geodetic measurements, and numerical experiments can be used to predict the interior rupture of the Earth's interior, without directly observing it.
References
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Book
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.
Journal ArticleDOI
Fault rocks and fault mechanisms
TL;DR: In this paper, physical factors likely to affect the genesis of the various fault rocks are examined in relation to the energy budget of fault zones, the main velocity modes of faulting and the type of fault, whether thrust, wrench, or normal.
Journal ArticleDOI
Internal structure and weakening mechanisms of the San Andreas Fault
TL;DR: In this article, the internal structure of the San Gabriel fault and the Punchbowl fault are combined with previous characterizations of the SGF and PF to evaluate possible explanations for the low frictional strength and seismic characteristics.
Journal ArticleDOI
Earthquake nucleation on faults with rate-and state-dependent strength
TL;DR: Mikumo et al. as discussed by the authors used a plane-strain model with spatially varying properties to demonstrate that accelerating slip precedes instability and becomes localized to a fault patch, and the dimensions of the fault patch follow scaling relations for the minimum critical length for unstable fault slip.
Journal ArticleDOI
Seismic pumping—a hydrothermal fluid transport mechanism
TL;DR: The dilatancy/fluid-diffusion mechanism for shallow earthquakes is a consequence that considerable volumes of fluid are rapidly redistributed in the crust following seismic faulting as discussed by the authors, which is borne out by the outpourings of warm groundwater which have been observed along fault traces following some moderate (M5-M7) earthquakes.