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Stable creeping fault segments can become destructive as a result of dynamic weakening

Hiroyuki Noda () and Nadia Lapusta
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Hiroyuki Noda: Institute for Research on Earth Evolution, Japan Agency for Marine-Earth Science and Technology, Yokohama, Kanagawa, 236-0001, Japan
Nadia Lapusta: Division of Geological and Planetary Sciences

Nature, 2013, vol. 493, issue 7433, 518-521

Abstract: An earthquake source model in which stable, rate-strengthening behaviour at low slip rates is combined with coseismic weakening due to rapid shear heating of pore fluids, allowing unstable slip to occur in segments that can creep between events, explains a number of both long-term and coseismic observations of faults that hosted the 2011 Tohoku-Oki earthquake and the 1999 Chi-Chi earthquake.

Date: 2013
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DOI: 10.1038/nature11703

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