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 ...

Mount St. Helens’ last eruption caused ash to drop from ... CNN briefly mentioned Tacoma in its June article, “Why Mount Rainier is the US volcano that troubles scientists most.” ...

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.

Staying safe during natural disasters takes preparation and awareness. Pierce County faces the threat of a volcanic eruption, ...

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 ...