It last erupted in 2015 but has a history of more than 50 different eruptions over the last 800 years. The good news is that because the top of the volcano is still 4,500 feet below the ocean’s ...

The Axial Seamount—a volcano located ... signs of an impending eruption. Although less well-known that other volcanic giants of the Cascades (particularly Mount St. Helens), this underwater ...