Journal Title
Title of Journal: Pure Appl Geophys
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Abbravation: Pure and Applied Geophysics
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Publisher
SP Birkhäuser Verlag Basel
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Authors: William Power Nora Gale
Publish Date: 2010/11/12
Volume: 168, Issue: 6-7, Pages: 1125-1136
Abstract
New Zealand is exposed to tsunami threats from several sources that vary significantly in their potential impact and travel time One route for reducing the risk from these tsunami sources is to provide advance warning based on forecasting and monitoring of events in progress In this paper the National Tsunami Warning System framework including the responsibilities of key organisations and the procedures that they follow in the event of a tsunami threatening New Zealand are summarised A method for forecasting threatlevels based on tsunami models is presented similar in many respects to that developed for Australia by Allen and Greenslade Nat Hazards 4635–52 2008 and a simple system for easy access to the threatlevel forecasts using a clickable pdf file is presented Once a tsunami enters or initiates within New Zealand waters its progress and evolution can be monitored in realtime using a newly established network of online tsunami gauge sensors placed at strategic locations around the New Zealand coasts and offshore islands Information from these gauges can be used to validate and revise forecasts and assist in making the allclear decisionAll data from the New Zealand Tsunami Monitoring Network is made available free of charge through the New Zealand GeoNet project http//wwwgeonetorgnz to facilitate research into hazards and assessment of risk We acknowledge the GeoNet project and its sponsors the New Zealand Earthquake Commission EQC GNS Science and Land Information New Zealand LINZ We also acknowledge support from the Ministry for Civil Defence and Emergency Management MCDEM and from the Foundation for Research Science and Technology FRST We thank Diana Greenslade Vasily Titov and Gaye Downes for many helpful discussions and NOAA Pacific Marine Environmental Laboratory for assistance with the MOST code and use of the FACTS server
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