Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, ...

More than a million giant skate eggs are discovered incubating in the heat of an underwater Pacific Ocean volcano.

NAHA--Massive amounts of floating pumice stones spewed by an underwater volcano have littered coastlines in Okinawa Prefecture, forcing about 25 percent of fishing boats in the prefecture to remain ...

A vast eruption beneath the southwest Pacific Ocean has been confirmed as the largest volcanic event ever recorded on the ocean floor. The 2012 explosion at the Havre volcano, near New Zealand, ...

An active underwater volcano off Canada's coast has revealed a vibrant deep-sea habitat, teeming with hundreds of thousands of Pacific white skate eggs. This geothermally active seamount provides a ...

Scientists studying one of the Pacific’s most active underwater volcanoes were stunned to find hammerhead and silky sharks living inside its crater. Footage captured near the Solomon Islands showed ...

An active underwater volcano off the Oregon Coast that was predicted to erupt in 2025 is now expected to erupt mid-to-late 2026. The Axial Seamount volcano is located nearly a mile beneath the sea, ...

SYDNEY (Reuters) - An underwater volcano off Tonga was spewing ash high into the air on Tuesday, causing several carriers to suspend air travel to the South Pacific island nation and turning the ...

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 ...

Two large earthquakes have struck off the coast of Oregon, just miles from the summit of a massive underwater volcano expected to erupt at any time. The US Geological Survey (USGS) announced that a ...

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.