"It's getting ready to erupt"—one of America's most active volcanoes has the country on edge. It is called the Axial Seamount ...

SAN FRANCISCO — Though volcanoes dot the face of the planet and can be found on every continent, researchers say most of Earth's volcanic eruptions happen in a dark and faraway place: deep underwater.

A new video from Japan’s maritime authorities captures an underwater volcano bursting through the sea surface in a violent ...

A budding islet created by the eruption of an underwater volcano appears to now be fully submerged due to wave erosion of the lava mass. The Asahi Shimbun’s Asuka light aircraft on Jan. 6 flew over ...

Volcanic eruptions are perhaps nature's most terrifying display of power. Catastrophic eruptions of volcanoes like Mount Vesuvius, Krakatoa, and Mount St. Helens have gone down as some of the most ...

Deep in the Pacific Ocean, a sleeping giant is beginning to stir. The Axial Seamount — a massive underwater volcano off the coast of Oregon — could erupt as soon as 2025, according to scientists ...

Oregon's Axial Seamount, a highly active underwater volcano, is closely monitored for potential eruptions by mid-to-late 2026. Scientists track seafloor inflation and seismic activity, noting that ...

WELLINGTON, New Zealand — New Zealand and Australia have sent military surveillance flights to assess the damage in Tonga caused by Saturday's huge undersea volcanic eruption. Communications with the ...

A recent undersea volcanic eruption has led to the formation of a new isle off the coast of Iwo Jima, about 1,200 kilometers south of Tokyo, Japanese researchers have said. Part of the Ogasawara ...

On the morning of Jan. 15 (GMT), there was a massive eruption of an underwater volcano in the waters off Tonga, producing a plume over 16,000 meters high. Shock waves from the eruption, which experts ...