A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say.

Hidden nearly a mile beneath the ocean’s surface, one of Earth’s most active volcanoes may erupt before the year is out.

The volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only discovered its existence in the 1980s.

The Axial Seamount, located 300 miles off Oregon's coast, shows signs of eruption. Experts assure it won't affect land or ...

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year -- nearly a ...

An underwater volcano off the Pacific Coast could erupt by the end of the year, according to scientists. The volcano, known ...

Axial Seamount, an undersea volcano near California, may erupt this year. It poses no tsunami threat, with lava oozing ...