Could volcanic ash close down airspace across the UK and Europe bringing the widespread disruption we experienced in 2010.

So United States Geological Survey (USGS) scientists decided to use an ash-dispersion modeling program ... smaller eruptions by creating an umbrella cloud that can push ash more than a thousand ...

Thick fog and ash covered Bulusan Volcano after it erupted in the Philippines. Video shows the ominous blanket of churning ash and steam obscuring the volcano in Sorsogon, early morning on April 28.

Ash clouds are made of tiny particles that were lofted into the atmosphere from a volcanic eruption and can have a huge ...

When a volcano erupts, it’s usually the bright orange lava that’s the star of the show, however, ash clouds can be just as impressive. Ash clouds are made up of fine particles of rock ...

When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the ...

When a large volcano erupts, as Mount Spurr appears close to doing about 80 miles from Anchorage, Alaska, it can release ...

A young man was lying in bed when a viciously hot cloud of ash swept down from the erupting Mount Vesuvius and turned his brain to glass almost 2,000 years ago. That is the theory put forward by ...

Footage captured by the Red Sismologica Nacional Universidad de Costa Rica (RSN-UCR)’s live camera shows a thick cloud of ash rising above the volcano on Tuesday morning. “More energetic episodes were ...