The volcano is thousands of feet below the ocean’s surface, so it poses no danger to people. But under all that water, a ...

Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only ...

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year -- nearly a mile ...

A recent study found increased seismicity and swelling at Axial Seamount, suggesting an eruption could occur sometime this ...

They tend to inflate like a balloon in between eruptions. At Axial, the sea floor is actually rising, and that’s a big signal ...

A researcher monitoring Axial Seamount, 300 miles off the coast of Oregon, says the eruption is expected to happen before the ...

Axial Seamount, a mile-wide underwater volcano off the coast of Oregon, is showing signs of an imminent eruption. The volcano ...

Though perhaps not well known to the general public, Axial Seamount is considered a key window into Earth's geology. Axial is ...

The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

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 ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history.