Mount Rainier looms over the Pacific Northwest, its snow-capped summit visible from Seattle on clear days. At 14,411 feet, ...

A recent earthquake swarm at Mount Rainier in Washington state, along with increased volcanic activity in Alaska, Oregon, and Hawaii, has captured the news media's attention and sparked questions ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday. A swarm of small earthquakes was detected under the mountain triggering ...

Mount Rainer, the active stratovolcano located in Washington state, is likely shrinking due to climate change, according to new research.

A swarm of hundreds of small earthquakes has been detected rumbling deep below Mt. Rainier in Washington State early Tuesday morning, though geologists stress there is no cause for concern. The quakes ...