Scientists have found previously undocumented ash deposits buried beneath the Lava Creek Tuff in Wyoming — and at least one ...

Learn how the boundaries of the magma chamber beneath Yellowstone have been located, and discover how these boundaries hint at the volcano's future behavior.

Scientists have found previously undocumented ash deposits buried beneath the Lava Creek Tuff in Wyoming — and at least one of them could be from an unknown volcanic eruption, they say.

The Mount Lewotobi Laki Laki volcano in south-central Indonesia erupted three times into Friday, sending an ash column 26,200 feet high and prompting authorities to expand the danger zone around ...

The National Park Service reports that tephra is being carried aloft and falling onto Highway 11 (Hawaii Belt Road) in the Ka`u District between the 35 and 37 mile markers.

When the Kīlauea Volcano erupted in May 2018, an enormous amount of ash was released into the atmosphere in a plume nearly ...

PHIVOLCS has urged residents to avoid river channels where volcanic materials may accumulate, warning that heavy rain could trigger lahars—destructive volcanic mudflows. The agency is closely ...

Lava from Hawaii's most active volcano created fountains that reached 700 feet Thursday during the latest episode of an ongoing eruption. The 14th episode ended Thursday afternoon after 28 hours.

Mount Lewotobi Laki-Laki spews volcanic materials into the air in East Flores, Indonesia, on Friday [Ester Narek/AP Photo] Jetstar – Australia’s Qantas Airways’ low-cost subsidiary ...

A volcano began erupting in southwest Iceland on Tuesday, just hours after authorities evacuated a nearby community and the Blue Lagoon spa, one of Iceland's biggest tourist attractions.

Smoke blew around the crater with weak to moderate pressure, and firelight was seen at the peak, indicating the glowing volcanic material was at a shallow depth. On Friday, the volcano was still ...