Unlike the Pacific Northwest’s steep-sloped Cascade volcanoes such as Mount St. Helens or Mount Hood that tend to explode when they erupt, Axial Seamount’s magma forces its way out as fluid ...

Beneath dormant volcanoes in the Cascades region of the Pacific Northwest, scientists found large reservoirs of magma. The discovery challenges the belief that active volcanoes have large magma ...

Most volcanoes—Mount St. Helens ... The islands were formed as the Pacific plate crept northwest at three to four inches a year, carrying volcano after volcano away from the stationary hotspot ...

The Pacific Northwest Seismic Network is also contending ... Advertising “I don’t want anybody to think we’ve stopped monitoring the volcanoes,” Tobin said. “We haven’t.

Credit: @ Didier Marti/Getty Images A series of relatively young underwater volcanoes has been discovered under the waves of the Pacific Ocean, some of which may even be active. The volcanoes were ...