The 1980 eruption of Mt. St. Helens — which began with a series ... and steam exploded upward and outward to the north. The outward blast spread volcanic debris (gray in the images) over 230 square ...

Abandoned Soviet Island Contained Quadruple Volcanoes That Caused a Violent Eruption in 1831 For almost two decades, experts ...

If an eruption happens, it would likely occur at Crater Peak, shown in the background of this summit photograph. Over the past 12 months, an Alaskan volcano named Mount Spurr has become noticeably ...

The latest Mount Etna eruption triggered an avalanche of volcanic material and sent ash miles into the air. Spectacular photos and videos capture the eruption of Europe's largest active volcano.

In the summer of 1831, strange things began to happen in the skies over Europe and North America. The sun shimmered blue and ...