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

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

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

Hundreds of small earthquakes were detected at Mount Rainier on Tuesday in the largest such swarm at the active stratovolcano ...

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington’s Mount Rainier ...

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

Hundreds of earthquakes are detected at or near Mount Rainier each year, with "swarms" typically occurring once or twice ...

A powerful magnitude 7.5 earthquake struck off Russia’s Kamchatka Peninsula early Sunday, just 19 minutes after a 7.0 quake in the same region. The Pacific Tsunami Warning Center issued alerts for ...

A 2.5M earthquake was felt near Forks, Washington on Sunday afternoon. The earthquake struck at a depth of -0.19 miles, indicating it was a very shallow quake. According to the United States ...

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