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.

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

Oxford researchers found that changes in shear-wave splitting can predict volcanic eruptions and their severity. The signal ...

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 ...