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

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.

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.

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 ...

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

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 ...