Authors / CoAuthors
Horspool, N. | Davies, G. | Jakab, M. | Sexton, J.
Abstract
The Attorney General's Department (AGD) has supported Geoscience Australia (GA) to develop inundation models for one South Australia (SA) community with the view of building the tsunami planning and preparation capacity of the SA State Government. The community that was chosen was Victor Harbor, which also includes the townships of Port Elliot and Middleton. These locations were selected in collaboration with the SA State Emergency Service (SES), SA Department of Environment and Natural Resources (DENR) and the Australian Government based on the National Near Shore Tsunami Hazard Assessment [1] that highlighted tsunami amplification near Victor Harbor. Three tsunamigenic events were selected for modelling from the scenario database that was calculated as part of the national offshore probabilistic Probabilistic Tsunami Hazard Aassessment (PTHA) [2]. The events selected are hypothetical and are based on the current understanding of the tsunami hazard. Only earthquake sources are considered as these account for the majority of tsunami that have historically been observed in Australia. The suite of events includes three 'worst-case' or 1 in 10 000 year hazard event from three different source zones; the Puysegur Trench, Java Trench and South Sandwhich Islands Trench. These three source zones were identified from the PTHA to contribute significantly to the offshore tsunami hazard near Victor Harbor.
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document
eCat Id
71943
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Keywords
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- GA PublicationProfessional Opinion
- ( Theme )
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- tsunamis
- ( Theme )
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- geohazards
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- AU-SA
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Earth Sciences
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- Published_Internal
Publication Date
2011-01-01T00:00:00
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geoscientificInformation
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Professional Opinion 2011/07
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