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.

The Axial Seamount, an active underwater volcano located about 300 miles west of the Oregon coast and nearly a mile beneath ...

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

A new study has identified three states in the US could be hit by an earthquake and mega-tsunami in a handful of years.

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

THIS is the shocking moment that three tourists risked their lives by clambering into a live, lava-filled volcano. The thrill ...

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 ...