MANILA, Philippines — A lava flow collapse at Mayon Volcano in Albay generated a pyroclastic density current (PDC) on Tuesday morning, state volcanologists said. A PDC is a rapid, ground-hugging surge ...

Hawaii County officials are knocking on doors on several streets in the Leilani Estates subdivision alerting residents to flee fast-moving lava from Kilauea (kih-luh-WAY'-uh) volcano. In this Saturday ...

Researchers develop a tool for measuring the viscosity of lava that could increase our understanding of molten rock as well as better improve models of its movement, giving authorities crucial ...

The lava that buried entire neighborhoods during the 2018 Kīlauea eruption was composed of nearly 80% gas bubbles near its source. A recent study shows that those bubbles played a central role in ...

A fast-moving lava flow from Hawaii’s Kilauea volcano forced more residents out of their homes and in search of shelter from other threatening forms of volcanic activity. Hawaii County Civil Defense ...