The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as needed." ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

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 ...

A swarm of hundreds of small earthquakes have been detected rumbling deep below Mt. Rainier in Washington State early Tuesday ...

Hundreds of earthquakes have been detected at Mount Rainier so far Tuesday morning in the largest such swarm at the active stratovolcano since 2009, according to the U.S. Geological Survey.

Mount Rainier National Park in Washington state recorded hundreds of light earthquakes early Tuesday morning, though the ...

Meet the interns chasing weather extremes at Mount Washington Observatory ...

YESTERDAY, RUNNERS TOOK TO MOUNT WASHINGTON FOR A DIFFERENT KIND OF RACE. THEY WERE RACING THE COG RAIL TO THE TOP OF THE MOUNTAIN. IT WAS A FOGGY VICTORY FOR COLORADO’S JOSEPH GRAY, WHO BEAT THE ...

President Donald Trump injected some some uncertainty over whether the U.S. would abide by the mutual defense guarantees outlined in the NATO treaty as he headed to its summit.

Officials have reminded the public that summer conditions can quickly become dangerously cold and windy atop the 6,288-foot peak ...

Paul Kennard knew Mount Rainier was in trouble when its most-visited tourist attraction melted. “I think the real warning ...