When particles in volcanic ash cloud rub together, some pick up positive charge and others negative – now physicists have ...

An image of Augustine erupting on January 13, 2006, from about 50 miles away from the volcano. Courtesy of Gerald Andrew When Mount St. Augustine in Alaska erupted in mid-January 2006 for the first ...

Volcanic lightning photos are some of the most impressive out there, in my opinion. Volcanic lightning is a striking and rare phenomenon that occurs during some volcanic eruptions. As ash, rock and ...

Back in January, SFGATE was on the ground in the national park during a previous eruption episode that also rained tephra ...

Suggested Citation: "3 Forecasting Eruptions." National Academies of Sciences, Engineering, and Medicine. 2017. Volcanic Eruptions and Their Repose, Unrest ...

Volcanic activity in northern Ethiopia's long-dormant Hayli Gubbi volcano subsided Tuesday, days after an eruption that left a trail of destruction in nearby villages and caused flight cancellations ...

The eruptions at Kilauea prompted closures at a national park and part of a highway because of falling glassy volcanic ...