Tajima, Fumiko; Mori, Jim; Kennett, Brian
The 2011 Tohoku-Oki earthquake ruptured a large source region, which included areas with a range of past M 7 to M 8 earthquakes, varying stress accumulation, and different structural features. This megathrust event was substantially larger than anticipated in this region, though there were indications that the sequences of events in recent times were insufficient to relieve the full accumulated strain in the relatively rapid subduction of the Pacific plate. The source process time of about 150....[Show more]
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