Although no eruption is imminent, Mount Rainier has erupted as recently as 1854, and in the past, its lahars ( destructive mudflow on the slopes of a volcano) have reached all the way to Puget Sound.

With researchers monitoring Mount Rainier so closely, Iezzi said if a big eruption were to occur, it’s likely "we would be able to see it for months in advance.” Such an eruption, with certain ...

One of the world’s oldest national parks, Mount Rainier became part of the federal system in 1899, shortly after its last eruption. Park status was the culmination of a long campaign by John ...

Mount Rainier - one of many volcanoes found in the ... have not been active in millennia. "Regardless of eruption frequency, we see large magma bodies beneath many volcanoes," explains Guanning ...