Submarine volcanoes, volcanic structures hidden beneath the ocean surface, play a vital role in shaping Earth’s geology and marine ecosystems. Formed through tectonic plate movements, rising magma, ...

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In the middle of the Pacific Ocean, thousands of miles from any continent, Easter Island rises out of the sea. Its surface tells a story of volcanism that began roughly 2.5 million years ago, but ...

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 ...

Hydrothermal activity detected for the first time in the underwater volcano between Tenerife and Gran Canaria. Experts issue warning.

The African continent is splitting along a triple junction of rifts that converge in Afar, Ethiopia. A new ocean may take millions of years to form, but that is giving scientists ample time to glean ...

Aerial photographs show lava flowing through a forest and cutting a road in half on the French overseas island of Réunion in the Indian Ocean ...

A new analysis of data from NASA’s Galileo spacecraft reveals a subsurface “ocean” of magma–either molten or partially molten–beneath the surface of Jupiter’s volcanic moon Io. The finding, from a ...