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

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

On Tuesday, hundreds of earthquakes were detected, with depths ranging from 1.2 to 3.7 miles below the summit.

Mount Rainier experienced a significant earthquake swarm, the largest since 2009, with hundreds of small quakes detected near ...

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

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

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

Geologists detected hundreds of small earthquakes below the 14,400-foot active volcano in Washington state. It is the largest ...

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

MT. RAINIER, Wash. — A swarm of small earthquakes was detected at Mount Rainier Tuesday morning, according to the U.S. Geological Survey Cascades Volcano Observatory (CVO) and the Pacific Northwest ...

A swarm of earthquakes under the largest volcano in the Cascade Mountain Range has some people wondering if it's rumbling ...

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