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    NOAA/West Coast and Alaska Tsunami Warning Center response criteria

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    282WhitmoreEtAla.pdf (3.269Mb)
    Date
    2009
    Author
    Whitmore, Paul  Concept link
    ten Brink, Uri S.  Concept link
    Caropolo, Michael  Concept link
    Huerfano-Moreno, Victor  Concept link
    Knight, William  Concept link
    Sammler, William  Concept link
    Sandrik, Al  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/3101
    As published
    http://tsunamisociety.org/282WhitmoreEtAlb.pdf
    Abstract
    West Coast/Alaska Tsunami Warning Center (WCATWC) response criteria for earthquakes occurring in the Atlantic and Caribbean basins are presented. Initial warning center decisions are based on an earthquake’s location, magnitude, depth, distance from coastal locations, and precomputed threat estimates based on tsunami models computed from similar events. The new criteria will help limit the geographical extent of warnings and advisories to threatened regions, and complement the new operational tsunami product suite. Criteria are set for tsunamis generated by earthquakes, which are by far the main cause of tsunami generation (either directly through sea floor displacement or indirectly by triggering of sub-sea landslides). The new criteria require development of a threat data base which sets warning or advisory zones based on location, magnitude, and pre-computed tsunami models. The models determine coastal tsunami amplitudes based on likely tsunami source parameters for a given event. Based on the computed amplitude, warning and advisory zones are pre-set.
    Description
    This paper is not subject to U.S. copyright. The definitive version was published in Science of Tsunami Hazards 28, no. 2 (2009): 86-107.
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    • Energy and Geohazards
    Suggested Citation
    Science of Tsunami Hazards 28, no. 2 (2009): 86-107
     

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