The 700c Cloud That Preserved Pompeii in Seconds: In 79 AD, Pompeii was engulfed by a pyroclastic flow from Mount Vesuvius a fast moving avalanche of superheated gas, ash, and volcanic rock. #Pompeii #PyroclasticFlows.
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These are #PyroclasticFlows. A fast-moving current of hot gas, ash, and volcanic debris rushes down the side of a volcano during an eruption at speeds over 100 km/h and temperatures above 1,000°C.
Pyroclastic flows are one of the most lethal hazards associated with volcanic eruptions.

Challenges in block-and-ash flow hazard assessment: The July 10–11, 2015 eruption of Volcán de Colima, Mexico On July 10 and 11, 2015, Volcán de Colima, one of the most active Mexican volcanoes, underwent its largest eruption since the 1913 Plinian event. High…

Our new article “Challenges in block-and-ash flow hazard assessment: The July 10–11, 2015 eruption of Volcán de Colima, Mexico” has been published in Journal of #Volcanology and Geothermal Research.
www.sciencedirect.com/science/arti...
#GelogicalHazards #PyroclasticFlows 🧪