Nov 9, 2026
Official season dates from the National Hurricane Center for the Atlantic, eastern Pacific and central Pacific, with peak periods, average first-storm dates and how NOAA builds its seasonal outlooks.
Nov 9, 2026
A tsunami starts when a large volume of ocean water is suddenly pushed out of place. Earthquakes do that most often, but only certain kinds, and landslides and volcanoes can too.
Nov 8, 2026
The United States has four tsunami alert levels and two warning centers. Each level comes with a different action from the National Weather Service.
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