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.

The giant earthquake was recorded at 12:37 p.m. local time, southeast of Sand Point, a community located on Popof Island in ...

The earthquake, with a preliminary magnitude of 7.3, struck south of Sand Point, Alaska, a community of about 600 people.

Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last eruption was "a light dusting of ash" in 1894, the USGS said in a report. Large ...

The National Oceanic and Atmospheric Administration (NOAA) has issued a tsunami alert for portions of Alaska after a 7.2 ...

Washington – Washington Emergency Management is trying to determine the impact Washington will take from the magnitude 7.2 ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake swarm" hit the site starting on Tuesday.

A swarm of hundreds of small earthquakes has been detected rumbling deep below Mt. Rainier in Washington State early Tuesday morning, though geologists stress there is no cause for concern.