Alaska was jolted by a 7.3-magnitude earthquake on Wednesday afternoon. Tsunami information was not immediately available.

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Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

A worldwide Android smartphone-based earthquake detection and early warning system can detect seismic activity in real time.

A lightly populated stretch of Alaska’s southern coast was under a tsunami warning after the magnitude 7.3 quake was felt ...

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ANCHORAGE, Alaska (AP) — Communities along a 700-mile stretch of Alaska’s southern coast ordered residents to higher ground ...

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By March last year, the system had detected more than 11,000 events globally and issued more than 1,200 alerts. Two levels of alert can be sent out, depending on quake size and distance from the ...

A 7.3 magnitude earthquake struck near Sand Point, Alaska, on Wednesday, prompting a tsunami warning from the National Weather Service.