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

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?

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

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

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

This is now the largest recorded earthquake swarm at Mount Rainier since seismic monitoring at the volcano began in 1982, the ...

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

Mount Rainier experienced its largest earthquake swarm on record this week, but seismic activity is now significantly ...

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological Survey said Saturday.

As of July 10, 334 earthquakes had been identified over the course of two days at Washington's Mount Rainier.