A new video from Japan’s maritime authorities captures an underwater volcano bursting through the sea surface in a violent plume of ash, steam and rock, turning a patch of open ocean into a churning ...

Axial Seamount is situated 300 miles off the Oregon coast and is getting closer to erupting for the first time in 10 years.

Add Yahoo as a preferred source to see more of our stories on Google. Deep in the south Pacific Ocean, near the remote Solomon Islands, there’s a volcano unlike any other on earth. For one, it’s ...

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.