Matches in SemOpenAlex for { <https://semopenalex.org/work/W2093059543> ?p ?o ?g. }
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- W2093059543 startingPage "15" @default.
- W2093059543 abstract "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 s included rupture of an area of very large slip (30 to 60 m) on the shallow portion of the megathrust, updip of the hypocenter. The area of large slip produced large amplitude low-frequency radiation, while the dominant high-frequency radiation was generated from deeper sources down-dip of the hypocenter. Real-time information systems in Japan were able to issue timely warnings of the strong shaking and tsunami, but the complicated pattern of rupture growth led to an underestimate in the initial estimates of magnitude and tsunami threat. Variations in the plate coupling and heterogeneities of physical properties in the megathrust zone characterize the different source areas that ruptured together during the earthquake. Tomographic images of shear-wave and bulk-sound speeds show subtle changes of physical properties that may be associated with coupling condition and present clues for understanding the rupture process of this Mw 9 earthquake, which combined the source areas of many past earthquakes." @default.
- W2093059543 created "2016-06-24" @default.
- W2093059543 creator A5062889074 @default.
- W2093059543 creator A5074070022 @default.
- W2093059543 creator A5088664218 @default.
- W2093059543 date "2013-02-01" @default.
- W2093059543 modified "2023-10-12" @default.
- W2093059543 title "A review of the 2011 Tohoku-Oki earthquake (Mw 9.0): Large-scale rupture across heterogeneous plate coupling" @default.
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