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

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

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

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

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

Axial Seamount, a volcano hundreds of miles off the coast of Oregon, may be a problem in the near future. This underwater ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

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 ...