The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

Off the coast of Oregon, a massive undersea volcano, Axial Seamount, is gearing up for its next eruption. Situated 300 miles offshore and 4,626 feet beneath the Pacific Ocean’s surface ...

Axial Seamount, a massive underwater volcano located nearly 300 miles off the Oregon coast, is showing signs of an imminent eruption. This 3,600-foot-tall volcano, which spans 1.25 miles across ...

The Axial Seamount, an underwater volcano about 300 miles off the coast of Oregon, is predicted to erupt soon, scientists say. The Axial Seamount is a miles-wide undersea volcano that towers more ...

The Axial Seamount submarine volcano exhibits an inflation–deflation cycle comparable to similar volcanoes on land. Measurements of ocean bottom pressure document the entire inflation ...