The Axial Seamount – located hundreds of miles off the coast of Oregon and nearly 5,000 feet below the Pacific Ocean’s waves – erupted in April 2015, spewing a mile’s worth of lava onto the sea floor.

Seismologists reported that two earthquakes struck off the coast of Oregon on Wednesday morning, very close to an underwater volcano. This has raised concerns that the volcano could be on the verge of ...

Amazing footage taken by Japan's Coast Guard shows an eruption near Iwo Jima after an eruption just two months prior to when ...