The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years.

Mount Rainier is central to Tacoma’s identity, so much so that it appears on the city’s logo. But as CNN recently reported, the striking mountain is also an active volcano — and no one knows ...

and Glacier Peak are four of the active volcanoes in Washington state. The fifth, located less than 70 miles from Seattle, is Mount Rainier. "It's totally at a state of background activity ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new ...

One of the world’s oldest national parks, Mount Rainier became part of the federal ... one of the world’s most active volcanoes. The Sicily, Italy, volcano is almost constantly in a state ...

When most of us think about active volcanoes in the U.S., Mount St. Helens, Mt. Rainier and a few others will first come to mind. However, one of the most active volcanoes in the region is about a ...

A seismic survey challenges the long-standing belief that only active volcanoes have large magma bodies sitting beneath them.

It appears that these magma bodies exist beneath volcanoes over their whole lifetime, not just during an active state.' ...

Millions of people around the world live near one of the roughly 1,500 active volcanoes on Earth—from Italy’s Campi Flegrei to Indonesia’s Merapi to the United States’ Mount Rainier.

Majestic Mount Rainier is the highest peak in the Cascade Range and an active volcano with more glaciers than any other mountain in the United States. Just an hour's drive from Seattle, the park's ...

But it's hidden the day we're slated to go on Kenmore Air's Mount Rainier & Mount St. Helens Volcano Tour, meant to show off the iconic mountain. "Basically we'll take off out of Boeing Field ...