Results 171 to 180 of about 2,047 (206)
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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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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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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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Nucleation of earthquakes and its implication to precursors
Acta Seismologica Sinica, 2000The recent argument about nucleation phase of earthquakes reminds us to completely study the concept of earthquake nucleation. The original meaning of nucleation includes concentration, nucleation and initiation of the eruptive processes. Thus, it is needed to discuss how to exactly translate the word “nucleation” into Chinese in different fields.
Shi-Yu Li +5 more
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Energy structures and nucleation effects in earthquakes
Chaos, Solitons & Fractals, 2000zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Utsumi, T., Aizawa, Y.
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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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State evolution laws and earthquake nucleation
2021<p>In models of faults as elastic continua with a frictional interface, earthquake nucleation is the initiation of a&#160;propagating dynamic fault rupture nucleated by a localized slip instability. A mechanism capturing both&#160;the weakening process leading to nucleation as well as fault healing between events, is a ...
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Earthquake nucleation by transient deformations caused by the M = 7.9 Denali, Alaska, earthquake
Nature, 2004The permanent and dynamic (transient) stress changes inferred to trigger earthquakes are usually orders of magnitude smaller than the stresses relaxed by the earthquakes themselves, implying that triggering occurs on critically stressed faults. Triggered seismicity rate increases may therefore be most likely to occur in areas where loading rates are ...
J, Gomberg +3 more
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Earthquake Nucleation and Occurrence – Numerical Investigation
2010The great Wenchuan earthquake caused much damage in Sichuan and neighbor provinces in Western China. As described above, it occurred along the Longmenshan thrust belt that is situated at the transformation site between the NEE-directing compressive stress field of the Qinghai-Tibetan plateau and the NW-directing compressive stress field of the western ...
Huilin Xing, Xiwei Xu
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Mechanisms of slip nucleation during earthquakes
Earth and Planetary Science Letters, 1999Abstract Slip nucleation during earthquakes is apparently analogous to rupture nucleation within an intact rock sample subjected to triaxial loading. The observations indicate that both these nucleation processes initiate within a relatively small volume and in both the slip propagates unstably along a quasi-planar surface. In both processes a single,
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