On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the ...

HONOLULU (AP) — Lava is shooting 100 feet to 200 feet (30 to 60 meters) into the air as Hawaii’s Mauna Loa, the world’s largest active volcano, erupts for the first time in nearly 40 years. For now, ...

A rare underwater eruption at Hunga Tonga sent water vapor into Earth’s atmosphere, cooling the stratosphere and reshaping ...

A volcano in central Philippines erupted on Tuesday, spewing a 4.5-kilometre (2.8-mile) ash plume and debris into the sky as its rumblings were heard nearby. The Philippine Institute of Volcanology ...

MANILA, Philippines (AP) — A restive volcano in central Philippines briefly erupted Tuesday, spewing a 4.5-kilometer (2.8-mile) ash plume and debris into the sky as its rumblings were heard nearby.

A major discovery beneath Yellowstone National Park has revealed a magma cap located nearly 2.4 miles below the surface, which could help prevent a massive volcanic eruption. Using advanced seismic ...

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 ...