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Developing tsunami warnings from numerical model output

Steven Allen () and D. Greenslade

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2008, vol. 46, issue 1, 35-52

Abstract: A method is introduced for issuing tsunami warnings in the Australian region based on numerical model output. The method considers the maximum modelled wave amplitude within pre-defined coastal waters zones and uses this as a proxy for the potential impact on the coast. A three-level stratified warning is proposed: (1) No threat, (2) Marine threat and (3) Land threat. This method is applied to several case studies and the resulting warning characteristics are shown. While the method has its limitations, it is a significant improvement over current operational warning strategies, which are typically based solely on the magnitude of the earthquake and distance from the source. Copyright Springer Science+Business Media B.V. 2008

Keywords: Tsunamis; Coastal Regions; Warnings; Tsunami Modelling; Australia (search for similar items in EconPapers)
Date: 2008
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