The seismic activity of Axial Seamount, a submerged volcano roughly 300 miles off the coast of Oregon and more than one mile ...

A massive underwater volcano known as Axial Seamount could erupt soon, completely reshaping the floor of the Pacific Ocean.

A 4.2 magnitude earthquake struck about 143 miles southwest of Tofino, B.C., at around 5:53 a.m. A second 3.0 magnitude ...

Although less well-known that other volcanic giants of the Cascades (particularly Mount St. Helens), this underwater volcano ...