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.

Scientists have warned that the eruption in Anchorage, Alaska could happen within the next couple of weeks and cause aviation ...

A MASSIVE Alaskan volcano is on the brink of erupting — and terrified experts ... could rain on Anchorage and spread across the central US within days — just as it did in 1992.

An underwater volcano 300 miles off the coast of Oregon is displaying signs of a potential eruption, UW researchers found.

Things are heating up hundreds of miles off the coast of Oregon, where a large undersea volcano is showing signs of impending eruption, scientists say. The volcano, known as Axial Seamount, is located ...

From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...

A "sharp, volatile-rich cap” about 2.5 miles under Yellowstone’s surface “acts like a lid,” trapping pressure and heat that ...