Like fortune tellers who peer into a crystal ball for insight, volcanologists at the USGS Hawaiian Volcano Observatory peer ...

Kilauea volcano’s fifth lava flow episode of the current eruption ended at 4:30 a.m. today, according to geologists with the Hawaiian Volcano Observatory ...

Axial Seamount is a young, 30 million-year-old undersea volcano in the Pacific Ocean off the U.S. coast, and it’s expected to ...

A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj ...

Residents and visitors are on alert after Hawaii's Kīlauea volcano entered its fifth eruptive episode since December on Wednesday.

Taal Volcano in Batangas had a phreatic eruption Wednesday morning, the Philippine Institute of Volcanology and Seismology ...

The NASA Earth Observatory has unveiled a new image of the Sáttítla Highlands in Northern California, showcasing the region's volcanic history and its impressive ancient lava flows. Captured on ...

Possibly because it is a much thicker body of rock—which cooled more slowly than the thinner lava flows elsewhere in the basin—the crystals are much larger and often recovered whole. Some exceed 10 cm ...

An Oregon State University scientist has predicted a volcanic eruption in 2025. But at about one mile under the ocean, the ...

Instead, the lava there was likely dragged up directly from the mantle by a surge of hot, rocky material — known as a mantle plume — which created a reservoir of magma below the field.

When Mount Vesuvius erupted in 79 CE, the scolding lava, ash, and gas that poured from its entrails converted the Roman city of Pompeii into a terrifying snapshot of death and destruction. Two ...

State volcanologists have noted an increase in the seismic activity at Kanlaon Volcano in Negros after they detected 12 ...