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 Rainier National Park is a special place, and not just in terms of its scenic landscapes. The twin craters of the apparently shrinking Mount Rainier host the largest known glaciovolcanic cave ...

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 ...

In the minds of many, Washington ranks among the most beautiful states in the U.S. Much of Washington State boasts sublime Pacific Northwest beauty, defined by snowy mountain peaks, enchanting ...

Part of Mount Rainier National Park became inaccessible on Monday after Washington officials shut down a bridge leading to the northwest area of the park. Washington State Department of Transportation ...

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 ...

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according to local officials. The United States Geologic Survey (USGS) says the ...