The study rewrites the history of the eruption that destroyed Pompeii



Until now it was believed that the catastrophe had occurred in August.

The eruption of the volcano Vesuvius that devastated the ancient Roman city of Pompeii in 79 AD took place between 24 and 25 October, not 24 and 25 August, as previously thought.
This is what a study published in the Earth-Science Reviews by researchers of the National Institute of Geophysics and Volcanology (INGV), in collaboration with the Institute of Environmental Geology and Geoengineering of the National Research Council (Igag-CNR), of the ‘University of Pisa, the University of Heriot-Watt in Scotland and the Laboratory of Magmas and Volcanoes in Clermont-Ferrand in France.
Until now the scientific community believed that the eruption took place between 24 and 25 August 79 AD, based on a letter from Pliny the Younger to the Roman historian Tacitus, but almost 2000 years later, it analyzes laboratory evidence and rereadings of the sources. they made it possible to reconstruct the phases of the catastrophe.
“The main spirit of the work was to collect data from different sources,” volcanologist Mauro Antonio Di Vito, from INGV, coordinator of the research, told ANSA. “The eruption took place in eight phases and we reconstructed the characteristics of each,” he added.
The first, for example, was very violent and raised a column of smoke up to eight kilometers high, spreading pyroclastic material (a flow resulting from volcanic action) through neighboring areas. The ashes also fell in Greece, according to the study.
Dating – “Since the 12th century, the date of 24 August has been the subject of heated debates among archaeologists and geologists because it is incongruous with numerous evidence”, observed Biagio Giaccio, researcher at Igag-CNR and co-author of the article.
He cites as an example the finding of typical autumn fruits among the ashes of Pompeii and of heavy clothes not compatible with the expected climate in August, in the height of summer in the northern hemisphere – autumn lasts from September to December.
Another important clue came in 2018, when excavations in a Pompeii house found an inscription that said “16th day before the calends [primeiro dia de cada mês no antigo calendário romano] November, he devoted himself to food in a wild way. “This” 16th day before the Kalends of November “corresponded to October 17 in the current calendar, indicating that the eruption occurred after that date.
Pompeii is located on the outskirts of Naples and was totally destroyed by the eruption of Vesuvius, which has left petrified bodies up to the present day. The site is currently the third most visited tourist attraction in Italy, behind only the Colosseum in Rome and the Uffizi Galleries in Florence. .

Source: Terra

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