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

California officials overseeing the $21 billion fund that was expected to protect utilities and their customers from the cost ...

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 4.3-magnitude earthquake jolted a lake shoreline Friday, July 11, in Southern California, the U.S. Geological Survey ...

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

A minor, 3.7-magnitude earthquake struck in Southern California on Thursday. It was followed by a larger, 4.3-magnitude quake nearby a few hours later, according to the United States Geological Survey ...

On July 21, 1952, a magnitude 7.5 earthquake in Kern County was strongly felt in the Valley, shaking residents ...

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

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