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

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

A massive underwater volcano, Axial Seamount, 300 miles off Oregon’s coast, may erupt soon after over 1,000 daily quakes and ...

Axial Seamount, a major US volcano is set to erupt imminently. But what impact will the volcano eruption have on the surround ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat levels.

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

An underwater volcano near the US coast, named Axial Seamount is showing signs of activity that suggest it might erupt ...

Though perhaps not well known to the general public, Axial Seamount is considered a key window into Earth's geology. Axial is significant because it sits atop the Juan de Fuca Ridge, the region where ...

A number of things could happen when a massive underwater volcano off the coast of the US erupts, which could be 'any day now ...

The most active volcano in the Pacific Northwest could erupt 'any day now,' scientists have warned. The Axial Seamount is a ...

An underwater volcano, Axial Seamount, located off the Oregon coast, is showing signs of renewed activity, with scientists ...

Axial Seamount, a mile-wide underwater volcano off the coast of Oregon, is showing signs of an imminent eruption. The volcano ...