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

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

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

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.

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

It’s that time of year again-- the Sunrise Corridor at Mount Rainier National Park is opening for its short season.

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano since 2009. As of Thursday, July 10, 334 earthquakes had been identified ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake swarm" hit the site starting on Tuesday.

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

Mt. Rainier National Park, the fifth oldest park in the U.S. national park system, is a popular destination in Washington ...