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Earthquake nucleation on dip-slip faults [PDF]
Journal of Geophysical Research, 2004 The nucleation of unstable slip on a fault is of key importance in our understanding of the seismic cycle. We investigate how the asymmetric geometry of dip‐slip faults affects the nucleation of unstable slip on such faults. Previous researchers have devoted much effort to understanding this nucleation process on geometrically simple faults, using a ...
David Oglesby, Guanshui Xu
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A Laboratory Perspective on Earthquake Nucleation
2022<p>Brittle failure of intact rock and frictional sliding on faults are closely related. Much of my early career studying brittle failure using acoustic emission techniques was helpful in providing insight into processes associated with faulting and earthquakes.
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Characterizing the Final Stage of Earthquake Nucleation
2021Previous experiments and modeling on the nucleation process of an earthquake reveal accelerating slip and development of a final patch of fixed or expanding length, but whether the nucleation phase is spatially large enough to be detected in real-Earth conditions with durations long enough to be helpful is unknown.
Changrong He, Lei Zhang, Qi-Fu Chen
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The Effects of Fault Roughness on the Earthquake Nucleation Process [PDF]
Journal of Geophysical Research: Solid Earth, 2018 AbstractWe study numerically the effects of fault roughness on the nucleation process during earthquake sequences. The faults are governed by a rate and state friction law. The roughness introduces local barriers that complicate the nucleation process and result in asymmetric expansion of the rupture, nonmonotonic increase in the slip rates on the ...
Yuval Tal +2 more
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An example of earthquake nucleation of the strong continental earthquakes
Acta Seismologica Sinica, 2001Xue-zhong Chen +2 more
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Earthquake nucleation and triggering on an optimally oriented fault
Earth and Planetary Science Letters, 2013 AbstractSeismic surface waves from large, distant earthquakes commonly trigger smaller earthquakes. However, delay times of hours to days between the surface waves and the triggered earthquakes weaken the causal connection. Furthermore, when there is no delay, the triggered earthquakes are typically too small or too obscured to obtain reliable source ...
Vipul Silwal +2 more
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Unsettled earthquake nucleation
Nature Geoscience, 2018Detailed analyses of the source characteristics of two earthquake sequences lead to seemingly contradictory interpretations: one study concludes that each earthquake triggers subsequent ones, while the other favours a slow-slip trigger.
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Scaling and Nucleation in Models of Earthquake Faults
Physical Review Letters, 1997We present an analysis of a slider block model of an earthquake fault which indicates the presence of metastable states ending in spinodals. We identify four parameters whose values determine the size and statistical distribution of the {open_quotes}earthquake{close_quotes} events.
W. Klein, J. B. Rundle, C. D. Ferguson
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Forecasting Induced Earthquake Hazard Using a Hydromechanical Earthquake Nucleation Model
Seismological Research Letters, 2021AbstractIn response to the dramatic increase in earthquake rates in the central United States, the U.S Geological Survey began releasing 1 yr earthquake hazard models for induced earthquakes in 2016. Although these models have been shown to accurately forecast earthquake hazard, they rely purely on earthquake statistics because there was no precedent ...
Justin L. Rubinstein +2 more
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