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.

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

A Virginia Tech study warns that Alaska, Hawaii, and Washington face a significant risk of megatsunamis within 50 years.

Scientific studies warn of potential mega-tsunamis threatening the U.S. Pacific Northwest, Alaska, and Hawaii due to ...

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 ...

The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth ...

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 ...