Structural heterogeneity in the megathrust zone and mechanism of the 2011 Tohoku ‐ oki earthquake ( Mw 9 . 0 )

@inproceedings{Zhao2011StructuralHI,
  title={Structural heterogeneity in the megathrust zone and mechanism of the 2011 Tohoku ‐ oki earthquake ( Mw 9 . 0 )},
  author={Dapeng Zhao and Zhouchuan Huang and Norihito Umino and Akira Hasegawa and Hiroo Kanamori},
  year={2011}
}
[1] The great 2011 Tohoku‐oki earthquake (Mw 9.0) and its 339 foreshocks and 5,609 aftershocks (9–27 March 2011) were relocated using a three‐dimensional seismic velocity model and local P and S wave arrival times. The distribution of relocated hypocenters was compared with a tomographic image of the Northeast Japan forearc. The comparison indicates that the rupture nucleation of the largest events in the Tohoku‐oki sequence, including the mainshock, was controlled by structural heterogeneities… CONTINUE READING
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