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

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

Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington's Mount Rainier but say there is ...

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

One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as needed." ...

Mount Rainier is Washington’s highest peak and is visible from 60 miles away in Seattle on clear days ...

Hundreds of earthquakes are detected at or near Mount Rainier each year, though typical swarms are smaller than what started ...

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

A swarm of hundreds of small earthquakes have been detected rumbling deep below Mt. Rainier in Washington State early Tuesday ...

The earthquake that hit the Washington region last year was probably a tremor that occurs about once every 2,000 years, a new seismic study of damage to the Washington Monument suggests.