Attendees offered a prayer to 43 victims who died in 1991, and to another person who died in the pyroclastic flows that occurred on June 23, 1993. A pyroclastic flow is a deadly, fast-moving mix ...

That is hotter than the pyroclastic flow that buried the city, which topped out at around 465C. Then the brain needed to rapidly cool down—and all this had to happen before the flow arrived.

Had lava formed, rather than a "pyroclastic current" there would likely have been survivors ... the city before the toxic ...

They conclude the vitrification was caused by an ash cloud that arrived in Herculaneum before the pyroclastic flows from the volcano. Pyroclastic flows are extremely hot and fast currents of ...

Under the revised hazard map, which also reflects topographical details, there are now 27 municipalities at risk of a lava flow from the 3,776-meter peak. The volume of a possible pyroclastic flow ...