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

Zhenhua Huang; Tso Ren Wu; Soon Keat Tan; Kusnowidjaja Megawati; Felicia Shaw; Xiaozhen Liu; Tso Chien Pan

doi:10.1016/j.jseaes.2008.08.007

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

Zhenhua Huang
, Tso Ren Wu
, Soon Keat Tan
, Kusnowidjaja Megawati
, Felicia Shaw
, Xiaozhen Liu
, Tso Chien Pan

水文與海洋科學研究所

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

32 引文斯高帕斯（Scopus）

摘要

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 h 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.

原文	???core.languages.en_GB???
頁（從 - 到）	93-97
頁數	5
期刊	Journal of Asian Earth Sciences
卷	36
發行號	1
DOIs	https://doi.org/10.1016/j.jseaes.2008.08.007
出版狀態	已出版 - 4 9月 2009

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10.1016/j.jseaes.2008.08.007

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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",

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 h 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.",

keywords = "South China Sea, Tsunami warning system, Tsunami waves",

author = "Zhenhua Huang and Wu, \{Tso Ren\} and Tan, \{Soon Keat\} and Kusnowidjaja Megawati and Felicia Shaw and Xiaozhen Liu and Pan, \{Tso Chien\}",

note = "Funding Information: The authors are grateful to Professor Philip L.-F. Liu of Cornell University, USA, for providing the latest version of COMCOT software package and suggestions on monitoring the wave period evolution along the path of wave propagation. Two anonymous reviewers are acknowledged for their constructive comments, which have greatly improved the quality of this paper. This work is funded by the National Environmental Agency of Singapore. The opinions described in this paper do not necessarily reflect the standing of the funding agency.",

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AU - Shaw, Felicia

AU - Liu, Xiaozhen

AU - Pan, Tso Chien

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N2 - 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 h 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.

AB - 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 h 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.

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

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