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

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

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say.

New spending restrictions for some federal agencies are creating extra hoops for scientists to jump through to fix earthquake ...

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

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

IN The National Geographic Magazine for February of the present year there appears a very interesting account of the eruption ... in Alaska, which commenced on June 6, 1912. The Katmai Volcano ...

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 ...