pyroclastic flow
[paɪ.roʊˈklæs.tɪk floʊ]
nounpl: pyroclastic flows
fluxo piroclástico
1. A rapid, avalanche-like flow of lava fragments, gases, and ash that moves down the slope of a volcano at high speeds and temperatures, typically exceeding 100 km/h
The pyroclastic flow from Mount Vesuvius in 79 AD buried the city of Pompeii in seconds.
O fluxo piroclástico do Monte Vesúvio em 79 d.C. enterrou a cidade de Pompeia em segundos.
2. A deadly volcanic hazard characterized by a mixture of hot gas, ash, and rock fragments that destroys everything in its path
Scientists warned residents to evacuate due to the dangerous pyroclastic flow approaching the village.
Os cientistas advertiram os residentes para evacuar devido ao fluxo piroclástico perigoso que se aproximava da aldeia.
The term pyroclastic flow is primarily used in scientific, geological, and educational contexts in both Brazil and the United States. It gained widespread public awareness through documentaries and disaster films. In Brazil, the 1980 eruption of Mount St. Helens and the 1902 eruption of Mount Pelée in Martinique are frequently referenced as examples in geological education. The term remains technical and is not commonly used in everyday conversational Portuguese or English.
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