A new analysis by Arctic, Antarctic, and Alpine Research finds the summit of the iconic Washington peak has declined and ...

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

The collapse wasn't apparent on the surface until researchers pored through the photographs and noticed how the peaks were ...

According to the new paper, Mount Rainier’s highest point is a fraction of an inch below 14,400 feet, or 10 feet below the U.S. Geological Survey’s longstanding official measurement of 14,410 feet.

In September 2024, Eric Gilbertson arrived at Mount Rainier with a grant from the American Alpine Club and a simple mission — to find out if the summit was still where everyone thought. Gilbertson, an ...

TACOMA – The swarm began shortly before 1:30 a.m. near Mount Rainier’s summit, with the largest earthquake being a 1.7 magnitude, the USGS said on X just after 9:30 a.m. Tuesday. “Currently, there is ...

Scientists at the Pacific Northwest Seismic Network might blow their stacks over having to respond to a rumor about increased tremor activity at the Washington state volcano.

“I went up there on August 28 the first time and I measured Columbia Crest and the southwest rim and I found that Columbia Crest has melted about 22 feet since the last ground survey in 1998 and it’s ...

The best time to visit Mount Rainier National Park is from July to August at the height of the Pacific Northwest summer.

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, known as ...

The top of Mount Rainier is no longer the top of Mount Rainier. The frozen ice cap on top of Washington’s iconic mountain — recognized for generations as the tippy top — is melting as the atmosphere ...

Brent Okita did something recently that’s not likely to happen again. The 55-year-old Enumclaw, Wash., resident became the second person to make 500 trips to the 14,411-foot summit of Mount Rainier.