Tsunami hazard from the subduction megathrust of the South China Sea: Part I. Source characterization and the resulting tsunami

TitleTsunami hazard from the subduction megathrust of the South China Sea: Part I. Source characterization and the resulting tsunami
Publication TypeJournal Article
Year of Publication2009
AuthorsMegawati K, Shaw F, Sieh KE, Huang Z, Wu T-R, Lin Y-N N, Pan T-C
JournalJournal of Asian Earth Sciences
Volume36
Pagination13-20
ISBN Number13679120
Abstract

The subduction megathrust under the Manila Trench has been accumulating strain over a period of 440 years or more, and could be the source for a giant earthquake of Mw ∼ 9. We present a plausible earthquake rupture model constructed from seismic and geodetic data, together with hydrodynamic simulations of the potential tsunami with COMCOT (COrnell Multi-grid COupled Tsunami model). Results indicate that this megathrust poses a risk of devastating tsunami for the Philippines, southern China, Vietnam and other population centers bordering the South China Sea.

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