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

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

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

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

Seismologists are closely monitoring Mount Rainier after a swarm of earthquakes struck the Pacific Northwest’s tallest ...

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

A “swarm” of hundreds of small earthquakes are continuing to hit Mount Rainier this week. The U.S. Geological Survey Cascades ...

Earthquakes are common at Mount Rainier, happening about nine times every month, the agency said. Swarms of earthquakes ...

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

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

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...

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