Now, researchers may have found out why: A new study published today in Nature Geoscience reports that a member of this family, the pyroclastic flow, is able to move so fast and so far because it ...

A man presses his hands together in prayer before a memorial cenotaph in the location that served as the media's "fixed point" when a pyroclastic flow hit the area, in Shimabara, Nagasaki ...

The Institute also warned of flows of scorching material—known as pyroclastic flows—descending the slopes. Before the increase in activity, the volcano had shown “normal parameters” with “weak to ...

Italy's volcano monitoring agency reported that the eruption involved the spewing of hot ash and lava in what is known as a pyroclastic flow. Fortunately, initial assessments indicated no ...

Dramatic photos and video showed dangerous pyroclastic flows ... lava fountain stopped, the flows began to cool. In the coming days, INGV ground survey teams will map the deposits.

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. Pore-fluid ...

A volcanic eruption in Italy left people scurrying for cover from what officials are saying is a pyroclastic flow. Several videos circulating online show people running as smoke from the side of ...

But the defining event of Monday’s eruption was the more rare pyroclastic flow from the southwestern crater not visible from a distance. The volcano is Europe’s most active and the continent’s largest ...

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