Since Mount Shinmoedake began erupting on June 22, experts are continuing to closely monitor the southern Kyushu volcano in ...

Join us on a journey to Montserrat, known as the "Pompeii of the Caribbean." This video documents the aftermath and ongoing ...

Pyroclastic density current (PDC): A turbulent, high-density flow composed of volcanic ash, lapilli and gases that descends rapidly along a volcano’s slope following an eruption.

The presence of pyroclastic flows indicates the collapse of the eruption column, which produces very dangerous pyroclastic flows. "The type of earthquake recorded after the eruption shows the ongoing ...

Volcanology articles from across Nature Portfolio Volcanology is the study of the generation and movement of molten rock on Earth and other planetary bodies, primarily through volcanoes and ...

One particular danger is pyroclastic flows, avalanches of hot rocks, ash, and toxic gas that race down slopes at speeds as high as 450 miles an hour.

This first pyroclastic flow rolled down the flank of Vesuvius at a speed of up to 62 miles per hour, wiping out everything in its path including the city of Herculaneum on the coast.

Such events might have produced ash plumes or pyroclastic flows that did not spread too far beyond the eruption source.