More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

More than 300 tremors were recorded below Mount Rainier over the course of three days. Scientists say they were too weak for ...

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

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

While considered an active volcano, Mount Rainier hasn’t erupted in at least a century, possibly much longer. The U.S ...

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

Over 200 earthquakes have been detected around Mount Rainier, Washington, raising eyebrows during the biggest swarm of ...

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

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

Mount Rainier is considered an active volcano and has not had a significant eruption in the past 500 years. However, it is ...

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

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