Deadliest volcanic eruption: The 1815 eruption of Mount Tambora in Indonesia, which killed up to 100,000 people From lava fountains to towering ash clouds, volcanoes produce some of the most dramatic ...

Scientists predict imminent lava fountaining at Kīlauea's summit, with seismic activity and observatory monitoring indicating ...

Seeing a volcano with my own eyes is a total bucket list dream, but seeing a volcano that's experiencing active volcanic ...

Kīlauea summit region shook for 5 hours Nov. 14 that year as magma made a path to the surface. The eruption began at 8:08 p.m ...

Hawaii's Kilauea volcano produces significant volcanic gas during the latest eruption. Officials are monitoring air quality ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment in 1879. Congress created the USGS to “classify the public lands and examine ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

The Cordón Caulle volcano in Chile is part of the Puyehue-Cordón Caulle Volcanic Complex along the Andes mountain range in southern Chile. Philipp Ruprecht, an associate professor at the University of ...

USGS Volcanoes says current north vent fountains remain just under 100 feet (30 meters) high.

Iceland became the focus of many this past week as one of its many volcanoes erupted. Photos and videos mesmerize as they show fountains of lava spewing from the ground and thick plumes of smoke ...

America's geological wonders don't need erupting volcanoes to create breathtaking spectacles that look straight out of a science fiction movie. From towering mushroom-shaped rocks to mysterious moving ...