Gas emissions, earthquakes and ground deformations at Mount Spurr, an Alaskan volcano roughly 80 miles northwest of Anchorage, indicate that it is “progressing toward an eruption,” scientists said ...

A new column of steam rises from Yellowstone. While the expansive volcano shows no hints of an eruption, magma brews beneath the surface, fueling hundreds of geysers and other heated phenomena. In a ...

The Center for Volcanology and Geological Hazard Mitigation also recommends refraining from activities within a 3-kilometer ...

The Alaska Volcano Observatory said signs indicated a Mount Spurr eruption was likely, though not certain, in the weeks or ...

At noon on Day 1, Vesuvius began to eject a plume of rocky volcanic fragments and gas into the air, known as an eruption column. The mushroom cloud that Pliny observed at 1 p.m. was typical of ...

Mount Spurr is one of 53 volcanoes in Alaska that have been active within the last 250 years. It is roughly 80 miles ...

Increasing volcanic activity at the over 11,000-foot-tall, snowcapped volcano in Alaska is likely a sign of its impending first eruption since 1992, experts say. Mount Spurr, located about 75 ...

The eruptions during the last century lasted between three and seven hours, produced ash columns that rose more than 50,000 feet above sea level and deposited ashfall in south-central Alaska ...

The Alaska Volcano Observatory has warned that it had observed ‘significantly elevated volcanic gas emissions’ in Mt. Spurr ...

The eruption of Mount Vesuvius in 79 CE presented its surrounding ancient Roman communities with a number of terrifying ways ...