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

Hawaii Island's Kilauea volcano erupted on March 10, spewing rock fragments and closing nearby highways.

The Kilauea volcano is shooting lava fountains up to 1,000 feet, and falling ash and volcanic fragments are forcing temporary closures on the Big Island.

Hawaii Volcanoes National Park has closed the Kīlauea summit and state officials shut down the main road to the volcano.

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

Authorities reported tephra fall—including ash, Pele’s hair, and larger fragments—across Hawaiʻi Volcanoes National Park.

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

Kilauea, a volcano in Hawaii, began erupting on Tuesday morning, releasing large volcanic particles into the air, according to officials.

Guatemala's Volcano of Fire is erupting, prompting authorities to evacuate nearly 300 families and warn that an additional 30,000 people in the area could be at risk. The eruption of "Volcan de Fuego" ...

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

A project by the University of Catania found that the discharge from Mount Etna can be used beneficially.