Tsunami warning issued in Alaska
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A 7.3 quake off Alaska triggers tsunami warnings and evacuations. Experts warn the region remains at high risk for future seismic sea waves.
A 7.3 quake hit near Sand Point, Alaska, on Wednesday, prompting tsunami warnings for South Alaska, the Alaska Peninsula, and nearby coastal areas.
A so-called "doomsday tsunami" is likely to hit the United States in the near future, but scientists now say there is a possibility that it could happen sooner than previously thought.