Volcanoes are often framed as nature’s most violent spectacles, yet some of the largest on Earth ooze lava quietly for years without a single dramatic blast. Scientists have now pulled together a ...

Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

This photo shows the exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. (Photo by Liv ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

A volcano in the central Philippines erupted early Tuesday morning, sending a plume of ash about 2.5 miles into the sky and forcing authorities to suspend school in four villages due to ashfall. The ...

University of Queensland provides funding as a member of The Conversation AU. On Monday morning local time, a huge cloud of ash, hot gas and rock fragments began spewing from Italy’s Mount Etna. An ...

Melting glaciers may be silently setting the stage for more explosive and frequent volcanic eruptions in the future, according to research on six volcanoes in the Chilean Andes. Presented today ...

Researchers at Diamond Light Source have used advanced imaging to look at microscopic crystals, called nanolites, to see what they can tell us about volcanic eruptions. Highly explosive eruptions ...