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.

Deep beneath the surface of the ocean lies an extreme marine ecosystem home to submarine volcanoes, an opening in the seafloor erupting with magma to form new crust. Void of light with an immense ...

A deep-sea exploration off the coast of Hawaii has revealed a striking natural formation on the Pacific seafloor that’s left marine scientists momentarily speechless: a structure resembling a “yellow ...

As part of a growing national effort -to understand seafloor hazards, scientists from the United States Geological Survey’s Volcano Science Center are working across agencies to investigate how ...

The Kavachi volcano is an active underwater volcano located near the Solomon Islands in the southwestern Pacific. Underwater, or submarine, volcanoes are found on the ocean floor. The Kavachi volcano ...

An underwater volcano off the coast of Oregon is gearing up for an eruption, according to volcanologists who are monitoring for activity. The Axial Seamount-- an underwater volcano located about 300 ...

Sasha Wagner, association professor at Rensselaer Polytechnic Institute, holds some of the “old” rocks formed when carbon solidified after an underwater eruption. She led a team that happened upon an ...