These currents are so sparse that have been known to actually go up hills and across water ... or "boiling over" of material from an eruptive vent can also trigger pyroclastic flows, particularly ...

These trees are likely being pushed over by rolling boulders in the flow as the forest is slowly consumed, almost more like a slow-moving a'a lava flow than what we picture with pyroclastic flows.

such as mountain ranges or open bodies of water. "The new large-scale experiments reported by Gert Lube and colleagues offer a physical explanation for the unusual mobility of pyroclastic flows ...

Andrews hopes his experiments will illuminate the factors that cause a pyroclastic flow to move swiftly over land ... stream recall the glimmer of oil on water. The experiment is beautiful ...

Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow. Volcanologist Professor Chris Jackson reveals the power of the deadly pyroclastic flow that had swept ...

which is the direction in which the lava and pyroclastic flows have been moving. This area includes the banks of the Besuk Kobokan River: riverbeds can funnel deadly lahars over long distances.

In a volcano advisory issued on Monday, Phivolcs reported a total of 33 pyroclastic ... to provide clean water, essential hygiene items, and emergency shelter to over 2,500 individuals in ...

This story originally appeared in the Morning Brief email newsletter. Sign up here to get more stories like this and weekday weather updates from The Weather Channel and our meteorologists.

The lava flows would spread over about 40 miles (64km). Everything within a 50-mile (80km) radius would be destroyed by a pyroclastic flow. America smothered with volcanic ash The ash cloud would ...

New Zealand research could help track the path of searingly hot rock and gas flows that are the world's most deadly volcanic hazard.