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Dynamic Earthquake Ruptures in the Presence of Material Discontinuities [PDF]
, 2009 A general feature of tectonic faults is the juxtaposition of materials with dissimilar elastic properties in a variety of contexts and scales. Normal and reverse faults offset vertical stratifications, large strike-slip faults displace different crustal blocks, oceanic and continental crusts at subduction interfaces, and oceanic transforms juxtapose ...
Brietzke, Gilbert Björn
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Earthquake rupture dynamics frozen in exhumed ancient faults
Nature, 2005Most of our knowledge about co-seismic rupture propagation is derived from inversion and interpretation of strong-ground-motion seismograms, laboratory experiments on rock and rock-analogue material, or inferred from theoretical and numerical elastodynamic models.
DI TORO, GIULIO +2 more
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The dynamics of earthquakes rupture : A view from the laboratory
2021<p>&#160;</p><p>Earthquakes are spectacular natural disasters, with for example the recent disastrous Sumatra and Tohoku-Oki earthquakes (2004 and 2011, respectively). Presently, predicting earthquakes remains one of the biggest societal challenges in natural science.
Francois Passelegue +3 more
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Rupture to the Trench: Dynamic Rupture Simulations of the 11 March 2011 Tohoku Earthquake
Bulletin of the Seismological Society of America, 2013There is strong evidence that the 11 March 2011 Tohoku earthquake rupture reached the seafloor. This is surprising because the shallow portion of the plate interface in subduction zones is thought to be frictionally stable, leading to the widely held view that coseismic rupture would stop several tens of kilometers downdip of the seafloor.
Kozdon, Jeremy E, Dunham, Eric M.
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Dynamic stress changes during earthquake rupture
Bulletin of the Seismological Society of America, 1998AbstractWe assess two competing dynamic interpretations that have been proposed for the short slip durations characteristic of kinematic earthquake models derived by inversion of earthquake waveform and geodetic data. The first interpretation would require a fault constitutive relationship in which rapid dynamic restrengthening of the fault surface ...
Steven M. Day, Guang Yu, David J. Wald
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Metrics for Comparing Dynamic Earthquake Rupture Simulations
Seismological Research Letters, 2014Online Material: Explanation of the concept of a dynamic rupture simulation. Earthquakes are complex events that involve a myriad of interactions among multiple geologic features and processes. One of the tools that is available to assist with their study is computer simulation, particularly dynamic rupture simulation.
M. Barall, R. A. Harris
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Dynamic fault weakening during earthquakes: Rupture or friction?
Earth and Planetary Science Letters, 2021Abstract An earthquake is an event of dynamic, unstable slip that releases elastic energy stored in the earth's crust. This abrupt energy release requires the weakening of the slipping fault that is manifested by a strength drop from a static level to a dynamic level.
Xiaofeng Chen +3 more
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Dynamic rupture of subduction earthquakes located near the trench
Earth and Planetary Science Letters, 2021Abstract We perform kinematic and dynamic source inversions of four interplate thrust earthquakes that occurred near the trench at the base of the continental wedge in Northern Chile and we compare them to deeper intraplate events. The magnitudes of these interplate events were between Mw 6.3 and Mw 6.5, with hypocentral depths varying between 17.8 ...
Cristian Otarola +4 more
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Earthquake Recurrence and Rupture Dynamics of Himalayan Frontal Thrust, India
Science, 2001The Black Mango fault is a structural discontinuity that transforms motion between two segments of the active Himalayan Frontal Thrust (HFT) in northwestern India. The Black Mango fault displays evidence of two large surface rupture earthquakes during the past 650 years, subsequent to 1294 A.D.
S, Kumar +5 more
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Modeling dynamic rupture in a 3D earthquake fault model
Bulletin of the Seismological Society of America, 1998AbstractWe propose a fourth-order staggered-grid finite-difference method to study dynamic faulting in three dimensions. The method uses an implementation of the boundary conditions on the fault that allows the use of general friction models including slip weakening and rate dependence.
R. Madariaga, K. Olsen, R. Archuleta
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