Scientists from the United States Geological Survey are tracking increased seismic activity beneath Mount Rainier in ...

After Mount St. Helens erupted in 1980, experts were faced with a precarious question: How can we best prepare for when—not if—the next volcanic eruption in the Cascade Range occurs? Triggered by a ...

United States Geological Survey scientists are monitoring elevated seismic activity beneath Mount Rainier in Washington State — the most dangerous volcano in North America by potential impact — as new ...

Danger from Mount Rainier isn't always born from smoke and ash. According to the United States Geological Survey, the last significant event to happen at Mount Rainier was a no-notice lahar: a ...

An outpouring of magma isn’t the biggest risk to people downhill from Mount Rainier. The active volcano’s greatest danger comes from lahars — amalgams of mud, rock and water that are as dense as wet ...

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