ALSO SEE | Washington state's volcanoes ranked among nation's most hazardous With researchers monitoring Mount Rainier so closely, Iezzi said if a big eruption were to occur, it’s likely "we would be ...

One expert told that outlet the volcano “keeps [her] up ... Similar to what happened with Mount St. Helens’ eruption in 1980, Rainier would show hints for days or weeks in advance, Malone ...

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 ...

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

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

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

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.

Gas sensors signal changes in volcanic fumes, and GPS sensors monitor and measure ground deformation. With researchers monitoring Mount Rainier so closely, Iezzi said if a big eruption were to ...