Low coseismic shear stress on the Tohoku-Oki megathrust determined from laboratory experiments.


Large coseismic slip was thought to be unlikely to occur on the shallow portions of plate-boundary thrusts, but the 11 March 2011 Tohoku-Oki earthquake [moment magnitude (Mw) = 9.0] produced huge displacements of ~50 meters near the Japan Trench with a resultant devastating tsunami. To investigate the mechanisms of the very large fault movements, we… (More)
DOI: 10.1126/science.1243485


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