Mt. Rainier is shorter than we all thought … 10 feet shorter. New GPS measurements measure the new peak, a rocky patch along the Southwest rim, at 14,399.6 feet. Rainier’s old ice cap peak ...

Mount Rainier is rattled by more than 300 earthquakes. It's the largest swarm in years. The last large earthquake swarm at Mount Rainier occurred in 2009. During that time, more than 1,000 ...

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.

New measurements suggest that Mount Rainier, Washington’s tallest peak, has shrunk. The reason? Melting ice, likely caused by climate change. The mountain has gotten roughly 10 feet shorter over ...

Swarms — or clusters of earthquakes that occur in the same area in quick succession — are relatively common on Mount Rainier. About one or two happen every year.