Tsunami hazard from the subduction Megathrust of the South China Sea: Part II. Hydrodynamic modeling and possible impact on Singapore

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Title:	Tsunami hazard from the subduction Megathrust of the South China Sea: Part II. Hydrodynamic modeling and possible impact on Singapore
Authors:	Huang,ZH;Wu,TR;Tan,SK;Megawati,K;Shaw,F;Liu,XZ;Pan,TC
Contributors:	水文科學研究所
Keywords:	INDIAN-OCEAN TSUNAMI;RUN-UP;SOLITARY WAVES;EARTHQUAKE
Date:	2009
Issue Date:	2010-07-08 09:29:59 (UTC+8)
Publisher:	中央大學
Abstract:	USGS has identified certain section of the Manila (Luzon) trench as a high-risk earthquake zone. This zone is where the Eurasian plate is actively Subducting eastward underneath the Luzon volcanic arc on the Philippine Sea plate. An earthquake of magnitude 9.0 could be generated based on the worst case scenario rupture of Manila Trench. In this paper, the possible impact of this worst case scenario rupture on Singapore is investigated using a numerical model. It is found that (1) it takes about 12 It for the tsunami waves generated at Manila Trench to arrive at Singapore coastal waters; (2) the wave period of the tsunami wave, i.e., time interval between two peaks, is about 5 h; (3) the maximum water level rise in Singapore water is about 0.8 m: and (4) the maximum velocity associated with the tsunami waves is about 0.5 m/s, which is not likely to have significant impact on the port operations in Singapore. (C) 2008 Elsevier Ltd. All rights reserved.
Relation:	JOURNAL OF ASIAN EARTH SCIENCES
Appears in Collections:	[Graduate Institute of Hydrological and Oceanic Sciences] journal & Dissertation

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