Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new ...

It appears that these magma bodies exist beneath volcanoes over their whole lifetime, not just during an active state.' ...

An increase in seismic activity has prompted predictions that a mile-wide submarine volcano named the Axial Seamount will ...

One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists ...