Deep under the Pacific Ocean, more than 300 miles off the Oregon coast, lies a restless underwater volcano known as Axial Seamount. It is the most active submarine volcano in the northeast Pacific and ...

For much of 2025, an underwater volcano off the Oregon coast was treated as a geological ticking clock, with forecasts suggesting it could erupt at almost any moment. Instead, the year is ending ...

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.