For 100,000 years, a pod of cool magma has been sitting mostly immobile beneath the Mt. Hood volcano. Consider it cold storage. As long as the magma stays cool, the volcano will not erupt. Cool magma ...

Courtesy of Olger (“Koky”) Aragón V. LA FORTUNA, Alajuela — At an estimated 7,000 years old, Arenal is a volcano in diapers, dating from around the time agriculture developed in ancient Egypt. By ...

Courtesy of Olger (“Koky”) Aragón V. LA FORTUNA, Alajuela — At an estimated 7,000 years old, Arenal is a volcano in diapers, dating from around the time agriculture developed in ancient Egypt. By ...

Tanzania's outlandish Ol Doinyo Lengai volcano, the only volcano on Earth that is currently erupting carbonatite lava, has been sinking at a rate of 1.4 inches per year for the past decade. When you ...