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

A 2022 satellite photo shows a large plume of discolored water rising from the undersea Kavachi volcano, during an eruption ...

Kavachi's most violent recent eruption was in October 2016 when a jet of volcanic debris was ejected above the ocean's surface. (Image credit: Alex DeCiccio/Wikimedia) The plume in the photo is ...

Nearly 50 volcanic eruptions have been recorded this ... The Axial Seamount is a miles-wide undersea volcano that towers more than 3,600 feet over the seabed. Though it last erupted in 2015 ...