A highly active volcano erupted several times, spewing towering ash columns into the sky and forcing a local airport to close, authorities said.

The 48th episode of the Mount Kīlauea volcano is officially underway in Hawaii as the monstrous summit slowly began to ooze ...

The onset of the 48th eruption of the Mount Kīlauea Volcano in Hawaii is almost underway as small fountains of lava begin to ...

Scientists discovered Mount Fuji's ground uplift during storms was caused by rain, not magma. Years of GPS data revealed a ...

These fast-moving mudflows can devastate towns in a matter of minutes.

Mount Lewotobi Laki-Laki in Indonesia's Flores erupted again on Friday (June 5), spewing massive ash clouds into the sky and forcing authorities to close the local airport.According to the Indonesian ...

Who will stop the Rain-ier? Scientists are warning that Washington’s Mount Rainier could unleash a catastrophic mudslide that has the potential to devastate three large towns within minutes. Often ...

A volcano in Alaska could be primed to erupt, which would likely send avalanches of hot ash and mud cascading down the mountain's slopes. Mount Spurr, a snow-covered stratovolcano that sits 77 miles ...

Six low-intensity earthquakes rumbled beneath Mount Adams during September, according to the U.S. Geological Survey Cascades Volcano Observatory. That’s an unusual amount of seismic activity at the 12 ...

The 1980 Mount St. Helens eruption remains the deadliest in U.S. history, fundamentally changing how scientists monitor volcanic activity.

Mount Rainier (Figure 2.1) is one of about two dozen recently active volcanoes in the Cascade Range, a volcanic arc formed by subduction of the Juan de Fuca plate beneath the North American plate.