The largest recorded earthquake beneath Mount Rainier was a magnitude 3.9 in 1973. Earthquakes with a magnitude of over 3.0 ...

There have been five recorded small earthquakes hit the region in a four-day span, all hitting in southeast Missouri and ...

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, according to the U.S. Geological ...

The quakes began just before 1:30 a.m. on Tuesday, according to the Geological Survey at the Cascade Volcano Observatory.

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 ...

Swarms — or clusters of earthquakes that occur in the same area in quick succession — are relatively common on Mount Rainier.

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

The Pacific Northwest Seismic Network recorded hundreds of small earthquakes at Mt. Rainier on Tuesday morning. The US ...

A 3.3-magnitude earthquake hit Northern California Monday evening near Los Banos, about 30 miles from San Jose. No damage ...

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