An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

A major U.S. city is under threat from a potential volcanic eruption after more than 20 earthquakes were recorded in Alaska.

New spending restrictions for some federal agencies are creating extra hoops for scientists to jump through to fix earthquake ...

If an eruption happens, it would likely occur at Crater Peak, shown in the background of this summit photograph. Photograph by Matt Loewen, Alaska Volcano Observatory, U.S. Geological Survey ...

Experts warn of a potential 1,000-foot-tall 'mega tsunami' threatening Alaska, Hawaii, and the US West Coast due to their ...

The 11,000-foot-tall volcano lies roughly 80 miles from Alaska's most densely populated city, and its eruption could cause international chaos.

One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. (Photo by R.G. McGimsey/Alaska Volcano Observatory/U.S.

A volcano in the Pacific Northwest is showing signs of activity with an eruption imminent. The Axial Seamount is a mile-wide ...