On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the ...

Mount Rainier’s quiet, snowcapped profile hides a restless interior that has just rattled itself with more than a thousand ...

Explore the volcanic hazards at Rainier, including lahars and debris flows, posing risks even when the volcano is quiet. posted an excellent video of the June 25 event that seems to start as a debris ...

A video shared this week shows what looked like signs of eruption on Mount Rainier Authorities explained that it's not an eruption but a cloud formation They say it's a good reminder to be prepared ...