The Axial Seamount, located along the Juan de Fuca Ridge, is the most active submarine volcano in the northeast Pacific and ...

An underwater volcano off the Oregon coast is showing signs it could erupt any day now. The Axial Seamount, located nearly a ...

Volcanologists are closely monitoring an underwater volcano off the Oregon coast that seems poised to erupt this year. Why it ...

The Axial Seamount, located about 300 miles off the Oregon coast and nearly 4,900 feet below the surface, has been inflating since January and is now showing signs of unrest.

Hundreds of miles off the coast of Oregon, Deb Kelley watched a pod of dolphins swim past the research vessel Atlantis as the sun set on the Pacific Ocean. But beneath the calm seas lurked a behemoth: ...

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 Juan de Fuca Ridge.

Atolls form when underwater volcanoes, called seamounts, sink back into the ocean. As the volcanic island subsides, coral ...