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Science. 2004 Mar 19;303(5665):1859-61.

Laboratory earthquakes: the sub-Rayleigh-to-supershear rupture transition.

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  • 1Seismological Laboratory, MC 252-21, California Institute of Technology (Caltech), Pasadena, CA 91125, USA.

Abstract

We report on the experimental observation of spontaneously nucleated supershear rupture and on the visualization of sub-Rayleigh-to-supershear rupture transitions in frictionally held interfaces. The laboratory experiments mimic natural earthquakes. The results suggest that under certain conditions supershear rupture propagation can be facilitated during large earthquake events.

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PMID:
15031503
[PubMed]
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