The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

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, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...

A tsunami advisory issued for south Alaska and the Alaska Peninsula was cancelled Wednesday afternoon hours after a massive 7 ...

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

Early Tuesday morning, Mount Rainier experienced its largest seismic activity since 2009, with a swarm of small earthquakes ...

Washington – Washington Emergency Management is trying to determine the impact Washington will take from the magnitude 7.2 earthquake that occurred 50 miles south of Sand Point, Alaska. “We are still ...

Communities along a 700-mile (1,127-km) stretch of Alaska’s southern coast ordered residents to higher ground after a ...

Washington Emergency Management is trying to determine the impact Washington will take from the magnitude 7.2 earthquake that occurred 50 miles south of Sand Point, Alaska.