Summary form only given. NOAA has a goal to mitigate the tsunamihazard to Hawaii, California, Oregon, Washington, Alaska, and U.S.possessions in the Pacific region. Fulfilling this goal requiresresearch, development and implementation of tsunami forecasts (withincreased accuracy and speed) and the creation of state-of-the-artinundation maps. The strategy is to focus research and development onadvanced technologies for: (a) field measurements using a real-timetsunami warning network and (b) numerical modeling-pre-computeddatabases of tsunami simulations for rapid forecasting of tsunamiheights (tuned to particular tsunami events using data assimilation fromthe real-time buoy network) and inundation maps for threatened coastalcommunities (generated in cooperation with various institutions andagencies). The Project has also taken the lead in the creation ofWeb-based Tsunami Community Modeling Activities to share software, data,simulations, and expertise among institutions and agencies involved intsunami modeling. This broad approach to tsunami mitigation is bothnecessary and a challenge since it requires the coordination andintegration of instrument development, numerical modeling and Web-basedimplementation. The authors present examples of this work for Pacifictsunamis that are incident on Hawaii and the Oregon Coast
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