Fallout of the particles, as big as footballs, were reported at overlooks in the Hawai'i Volcanoes National park.

Hawaii's Kilauea volcano was erupting in its 43rd episode on Tuesday, prompting warnings from the U.S. Geological Survey and National Weather Service. A Volcanic Activity Notice issued by the USGS at ...

The Volcano Observatory Notice to Aviation (VONA) is a notification product used by volcano observatories globally to inform ...

Volcanic eruptions are perhaps nature's most terrifying display of power. Catastrophic eruptions of volcanoes like Mount Vesuvius, Krakatoa, and Mount St. Helens have gone down as some of the most ...