Scientists warn that the Alaska volcano Mount Spurr is likely to erupt soon, showering ash on Anchorage and potentially ...

The sediment retention dam in Toutle has become less and less effective as it fills, switching from catching about 80% of ...

Increasing volcanic activity at the over 11,000-foot-tall, snowcapped volcano in Alaska is likely a sign of its impending first eruption since 1992, experts say. Mount Spurr, located about 75 miles ...

Alaska's Mount Spurr, an active volcano near the most populated region in the state, is getting even closer to an eruption, ...

The Alaska Volcano Observatory said signs indicated a Mount Spurr eruption was likely, though not certain, in the weeks or ...

A volcano near Alaska’s largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at Mount Spurr in the next few weeks or months has increased ...

As graceful and ephemeral as it appears, Odette-Odile is a dancer's Mount Everest, requiring stellar technique, prodigious ...

Mount Adams, Washington state's largest active volcano, is witnessing a surge in seismic activity. The seismic activity has ...

In a remote corner of the U.S., active volcanoes wait patiently above the ridgelines, leaving residents on edge.

Mount St. Helens erupted 45 years ago in May, and recently, we've seen increased activity at Mount Adams. But that activity ...

Recent increased seismic activity at Mt. Adams has brought state, tribal, and federal leaders together to reassess their ...