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

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

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

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

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

Despite the intensity of the explosion, the volcano poses no threat to humans. Shockingly, the Axial Seamount, located 4,626 feet below sea level, is so deep underwater that an eruption may not ...

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

He reveals all about Scadinavia's "stunning, almost otherworldly landscapes" and "a nuclear bunker hidden beneath a ...

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