Tsunami Hazards along the Eastern Australian Coast from Potential Earthquakes: Results from Numerical Simulations

Xing, H. L., Ding, R. and Yuen, D. A. (2014) Tsunami Hazards along the Eastern Australian Coast from Potential Earthquakes: Results from Numerical Simulations. Pure And Applied Geophysics, 172 8: 2087-2115. doi:10.1007/s00024-014-0904-x


Author Xing, H. L.
Ding, R.
Yuen, D. A.
Title Tsunami Hazards along the Eastern Australian Coast from Potential Earthquakes: Results from Numerical Simulations
Journal name Pure And Applied Geophysics   Check publisher's open access policy
ISSN 0033-4553
1420-9136
Publication date 2014-08-01
Year available 2014
Sub-type Article (original research)
DOI 10.1007/s00024-014-0904-x
Volume 172
Issue 8
Start page 2087
End page 2115
Total pages 29
Place of publication Basel, Switzerland
Publisher Birkhaeuser Science
Language eng
Formatted abstract
Australia is surrounded by the Pacific Ocean and the Indian Ocean and, thus, may suffer from tsunamis due to its proximity to the subduction earthquakes around the boundary of Australian Plate. Potential tsunami risks along the eastern coast, where more and more people currently live, are numerically investigated through a scenario-based method to provide an estimation of the tsunami hazard in this region. We have chosen and calculated the tsunami waves generated at the New Hebrides Trench and the Puysegur Trench, and we further investigated the relevant tsunami hazards along the eastern coast and their sensitivities to various sea floor frictions and earthquake parameters (i.e. the strike, the dip and the slip angles and the earthquake magnitude/rupture length). The results indicate that the Puysegur trench possesses a seismic threat causing wave amplitudes over 1.5 m along the coast of Tasmania, Victoria, and New South Wales, and even reaching over 2.6 m at the regions close to Sydney, Maria Island, and Gabo Island for a certain worse case, while the cities along the coast of Queensland are potentially less vulnerable than those on the southeastern Australian coast.
Keyword Tsunami hazard
Numerical simulation
Shallow water equation
Eastern Australian coast
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Earth Sciences Publications
Official 2015 Collection
 
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Created: Fri, 14 Nov 2014, 02:05:05 EST by Dr Huilin Xing on behalf of School of Earth Sciences