Gas rose from the Kilauea volcano in Hawaii two days after the lava effusion had ceased. Dramatic footage shows a plume of smoke billowing from the inactive vent at the summit on January 5. The vent ...

A detailed look at Yellowstone's magma storage system finds that only one region is likely to host liquid magma in the long ...

Axial Seamount off Oregon's coast is the most active volcano in the Pacific Northwest, about 300 miles offshore and just ...