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

Alaska residents are again being urged to brace themselves for a possible eruption of Mount Spurr. Following up on last week's warning, the Alaska Volcano Observatory reiterated in a series of ...

Mount Spurr, located west of Anchorage, Alaska, is showing signs of an imminent eruption, with over 100 earthquakes detected ...

The likelihood of an Alaska volcano’s explosive eruption not far from the state’s largest city has increased, according to researchers. Officials with the Alaska Volcano Observatory reported ...

Before a volcano erupts, rising magma squeezes out emissions of carbon dioxide visible from space, but trees might be a ...

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

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 ...