New seismic imaging shows magma lingering beneath quiet Cascade volcanoes, shaping how scientists monitor and plan for eruptions.

A deadly eruption on White Island in New Zealand Monday serves as a reminder to Pacific Northwest residents of the dangers of living near a volcano, said officials with the U. S. Geological Survey’s ...

Tourists scrambled to get away from a volcanic eruption in Italy on June 2. Mount Etna, located on the eastern coast of Sicily and one of Europe's most active volcanoes, sent an ash cloud into the air ...