Known as Axial Seamount, it’s the most active volcano in the Pacific Northwest – though one most people haven’t heard of because it lies about 300 miles offshore and just under a mile ...

A map of Axial Seamount shows the undersea ... that’s why we call it the most active volcano in the Pacific Northwest, because most of the ones on land aren’t active that frequently, and ...

Deep beneath the Pacific Ocean, nearly a mile underwater, scientists are keeping a close watch on a very active underwater volcano ... Pacific in the Pacific Northwest,” Chadwick said.