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

The U.S. Geological Survey Cascades Volcano Observatory said the swarm began early Tuesday at the 14,410-foot volcano near ...

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

Geologists are continuing to monitor Mount Rainier in Washington state days after the first earthquake swarm in more than 15 ...

Hundreds of small earthquakes have rattled Mount Rainier this week in the largest swarm of tremors in more than a decade.

Over 200 earthquakes have been detected around Mount Rainier, Washington, raising eyebrows during the biggest swarm of tremors in nearly two decades.

Mount Rainier on Tuesday experienced its largest seismic activity since 2009, with a swarm of small earthquakes detected. According to the United States Geological Survey, hundreds of earthquakes ...