A 2022 satellite photo shows smoke rising from a caldera on Tofua, highlighting the "looming threat" of the volcanic island.

The new map shows where volcanic ash would fall in the event of a Yellowstone supereruption, with the supervolcano's last major eruption occurring 70,000 years ago ...

centered on the volcano. A powerfully spreading umbrella cloud means that ash dispersal is much less affected by atmospheric ...

Volcanic debris “poured across the land ... They still can’t agree on the day Vesuvius blew its top, the height of the umbrella-shaped cloud or the length and the aggression of the blasts.

The ash cloud produced by the eruption of a sub-glacial volcano in Iceland brought chaos to the European air industry between 14 and 21 April. Since then, disruption to flights has continued ...

This story appears in the September 2007 issue of National Geographic magazine. When the first thunderous boom echoed across the plain of Campania, quickly followed by a blistering hail of ...

The ash cloud hovering above Argentine Northern Patagonia since Saturday after the eruption of the Puyehue volcano in the Chilean Andes may reach the city of Buenos Aires on Tuesday, experts assured.

Guatemala's Volcano of Fire erupted overnight, prompting authorities to evacuate nearly 300 families and issue warnings for an additional 30,000 people at risk. There have been no immediate ...

A cloud of ash from an erupting volcano in Chile has drifted over the Atlantic and Indian oceans to lie over southern parts of New Zealand and Australia, prompting the cancellation of dozens of ...