Mount Rainier experienced its largest earthquake swarm on record this week, but seismic activity is now significantly ...

"Why is it so hard to get people to safety? Effective warning systems are complicated, involve a lot of moving pieces, and need continuous maintenance," Lori Dengler writes.

The most recent seismic storm at Mount Rainier has hit a new milestone as scientists continue to monitor activity at the volcano.

Officials are tracking the largest swarm of earthquakes in more than 15 years at Mount Rainier in Washington. But they say there is no indication the cluster of quakes is cause for concern. The ...

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

A series of dozens of earthquakes were recorded in the span of hours in Guatemala, leaving two dead when rocks fell on their ...

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

Notably, Mount Rainier is the second-most seismically active volcano in the northern Cascade Range and is considered “potentially the most dangerous volcano in the Cascade Range because of its great ...

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

Earthquakes are common, especially around the volcanic regions of Washington, but an ongoing swarm caught my attention. A ...

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