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

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

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

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009 ...

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

The BriefMount Rainier's recent seismic swarm has surpassed 2009 records, with 391 events since July 8.Scientists report ...

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

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

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 ...

The activity began just before 1:30 a.m. on July 8, with hundreds of earthquakes recorded at depths ranging from over a mile ...

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