A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...

A swarm of hundreds of small earthquakes have been detected rumbling deep below Mt. Rainier in Washington State early Tuesday ...

One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

Washington's ShakeAlert earthquake early warning network will officially go live statewide on May 4, but won't be fully completed until 2025.

A spike in earthquakes at Mount Adams, a volcano in Washington state, prompted scientists to install additional monitoring instruments to assess the seismic activity.

On April 13, 1949, at 11:55 am, Tacoma was hit by a magnitude 7.1 earthquake. Bob Anderle (far right) looks down at the broken gable and the facing bricks that fell from one of the dormer windows ...

Officials at the United States Geological Survey have tracked over 300 earthquakes beneath Washington State's Mt Rainier from ...