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.

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, ...

Deep beneath the waves of the Pacific Ocean, nearly a mile underwater, one of the most fascinating volcanoes in the world is preparing to erupt. Axial Seamount, located roughly 300 miles off the coast ...