Deep in the south Pacific Ocean, near the remote Solomon Islands, there’s a volcano unlike any other on earth. For one, it’s underwater; and secondly, it’s extremely active. Kavachi, it’s called.

Amazing footage taken by Japan's Coast Guard shows an eruption near Iwo Jima after an eruption just two months prior to when ...

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.

An underwater volcano is erupting out of the sea and has given birth to Japan's newest island. The volcano-spawned, baby land mass is about 660 feet in diameter and is located some 600 miles south of ...