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Tsunami watchFor products of the Pacific Tsunami Warning Center (PTWC - Pacific (except Alaska, British Columbia and Western States) Hawaii, Caribbean (except Puerto Rico, Virgin Is.), Indian Ocean): The second hi [..]
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Tsunami watchFor products of the Pacific Tsunami Warning Center (PTWC - Pacific (except Alaska, British Columbia and Western States) Hawaii, Caribbean (except Puerto Rico, Virgin Is.), Indian Ocean): The second highest level of tsunami alert. Watches are issued based on seismic information without confirmation that a destructive tsunami is underway. It is issue [..]
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Tsunami watchIn general, a Tsunami Watch will be issued before a Tsunami Warning. However this is not a hard rule, and under certain circumstances a Tsunami Warning may be issued without a related Watch. The proce [..]
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