The 25 October 2010 Mentawai tsunami earthquake (Mw7.8) and the tsunami hazard presented by shallow megathrust ruptures

Lay, Thorne; J. Ammon, Charles; Kanamori, Hiroo; Yamazaki, Yoshiki; Fai Cheung, Kwok; R. Hutko, A.

doi:10.1029/2010gl046552

Public

The 25 October 2010 Mentawai tsunami earthquake (Mw7.8) and the tsunami hazard presented by shallow megathrust ruptures

Published in Geophysical Research Letters • Mar 1, 2011

Authors:

Thorne Lay

Charles J. Ammon

Hiroo Kanamori

Abstract

The 25 October 2010 Mentawai, Indonesia earthquake (M_w 7.8) ruptured the shallow portion of the subduction zone seaward of the Mentawai islands, off-shore of Sumatra, generating 3 to 9 m tsunami run-up along southwestern coasts of the Pagai Islands that took at least 431 lives. Analyses of teleseis...

Subject

Seismology

Geology

Tsunami earthquake

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