A seamount in the northwestern Pacific Ocean may be the largest volcano on Earth, and could rival the largest in the solar system -- the mighty Olympus Mons on Mars -- according to oceanographers.

Deep below the surface of the ocean, bacteria and critters that feed off nutrients spouting from hydrothermal vents met with ...

Ancient limestones reveal how volcanic carbon once suffocated the oceans - offering a stark warning as modern oxygen levels ...

A volcano that erupted in the southwest Pacific Ocean has started to create a new island. On Sept. 10, a volcano erupted on Home Reef, an undersea mountain that is not usually visible.

Rhythmic pulsing deep beneath landlocked east Africa is literally tearing the continent apart. But while the effects won’t ...

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San Francisco, the ...

The volcano, known as Axial Seamount, is more than 4,900 feet beneath the Pacific Ocean and 300 miles off the Oregon coast, but it is showing signs it will soon erupt for the first time since 2015.

Most volcanoes erupt beneath the ocean, but scientists know little about them compared to what they know about volcanoes that eject their lava on dry land. Skip to main content.

Huge undersea volcano off the West Coast may be getting ready to erupt The good news is that because the top of the volcano is still 4,500 feet below the ocean’s surface, it poses no danger to ...

"This has profound implications for how we interpret surface volcanism, earthquake activity and the process of continental ...

Deep-ocean volcanoes discharge huge amounts of energy when they erupt, and scientists are now performing research on the possibilities of harnessing this power. Type your search and press Enter.

An explosive jet of fire, believed to be caused by a mud volcano, lit up the Caspian Sea on Sunday according to a report by the APA, an Azerbaijani press agency.The fire occurred about 6 miles ...