These fast-moving mudflows can devastate towns in a matter of minutes.

The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

Experts fear that Mount Rainier could unleash deadly mudflows and flatten three nearby towns within minutes.

New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

Mount Rainier (Figure 2.1) is one of about two dozen recently active volcanoes in the Cascade Range, a volcanic arc formed by subduction of the Juan de Fuca plate beneath the North American plate.

Social media videos are stoking fears about a catastrophic eruption in central Oregon, but the science tells a different story.

Add Yahoo as a preferred source to see more of our stories on Google. The Morning Glory pool in Yellowstone national park. Yellowstone is underlain by two magma bodies. Michael Juhran/dpa Unlike old ...

At the risk of this blog becoming all volcanoes, all the time, I bring you... more volcanoes! Two of my favorite geobloggers wrote mustn't-miss posts on some of our Cascades volcanoes. They showcase ...

Here’s what you’ll learn when you read this story: In an effort to tap into that potential, a start-up called Mazama Energy, is focusing its sights on Newberry Volcano, a large, active, shield volcano ...

Experts fear that Mount Rainier could unleash deadly mudflows and flatten three nearby towns within minutes.

The previous chapters reviewed the hazards to property and life from Mount Rainier and outlined research needed to provide for better understanding of their nature and frequency of occurrence. This ...