Yellowstone's supervolcano, nestled beneath Wyoming's expansive terrain and extending into Montana and Idaho, continues to ...

From USGS Hawaiian Volcano Observatory livestreaming V2cam, a plume-like fountain erupted from the north vent during episode ...

1959 Kīlauea Iki eruption: It happened in the crater just north of the volcano’s caldera, lasting only about a month with 17 episodes and inclined lava fountains, including the highest lava fountains ...

The caldera may have blasted out its cryomagma in a single explosive event, or it may have spread its eruptions over time. When you purchase through links on our site, we may earn an affiliate ...

Yellowstone's volcanic past reveals a dynamic system of repeated caldera-forming eruptions and smaller lava flows, with magma ...

POZZUOLI, Italy — In Greek and Roman mythology, the Campi Flegrei volcano is depicted as the opening to the underworld. Its prehistoric eruptions blocked out the sun, turning summer into winter and ...

U of U geology professor Robert B. Smith has made a 50-year career out of studying Yellowstone. He presents a lecture on the Yellowstone Supervolcano Wednesday, March 18, at 7:30 p.m. at the Skaggs ...

POZZUOLI, Italy — In Greek and Roman mythology, the Campi Flegrei volcano is depicted as the opening to the underworld. Its prehistoric eruptions blocked out the sun, turning summer into winter and ...

Aerial view of the densely inhabited area of Pozzuoli, located within the Campi Flegrei volcanic area. Over half a million people live in this region, which is continuously monitored due to the ...