Scientists on the AKMA3 ocean expedition discovered an exceptional underwater feature consisting of a mud volcano in the ...

A series of satellite images shows the short lifespan of a “ghost island” that vanished pretty quickly in the Caspian Sea after emerging. It disappeared due to an underwater volcano that blew its top.

A yellow, brick-like volcanic formation found nearly 10,000 feet deep reveals how underwater eruptions fracture rock.

A swelling underwater volcano off the West Coast may erupt later than previously projected. Scientists initially thought that the Axial Seamount, which lies 300 miles off the coast of Oregon, would ...

PORTLAND Ore. (KPTV) - The Axial Seamount is the most active volcano in the Pacific Northwest, sitting 300 miles off the coast of Oregon and nearly a mile underwater in the Pacific Ocean, along the ...