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http://hdl.handle.net/2122/16495
Authors: | Doronzo, Domenico Maria* Trasatti, Elisa* Arienzo, Ilenia* Balcone-Boissard, Helene* Barra, Diana* Aiello, Giuseppe* Amato, Vincenzo* Di Vito, Mauro Antonio* |
Title: | Magma reservoir growth and ground deformation preceding the 79 CE Plinian eruption of Vesuvius | Journal: | Communications Earth & Environment | Series/Report no.: | /4(2023) | Publisher: | Springer Nature | Issue Date: | 2023 | DOI: | 10.1038/s43247-023-00880-9 | Keywords: | Pompeii eruption ground deformation surveillance magma reservoir |
Abstract: | The 79 CE eruption of Vesuvius is the first documented Plinian eruption, also famous for the archaeological ruins of Pompeii and Herculaneum. Although much is known regarding the eruption dynamics and magma reservoir, little is known about the reservoir shape and growth, and related ground deformation. Numerical modelling by Finite Element Method was carried out, aimed at simulating the reservoir growth and ground deformation with respect to the reservoir shape (prolate, spherical, oblate) and magma overpressure. The modelling was tuned with volcanological, petrological and paleoenvironmental ground deformation con straints. Results indicate that the highest magma overpressure is achieved considering a prolate reservoir, making it as the most likely shape that led to eruption. Similar deformations but lower overpressures are obtained considering spherical and oblate reservoirs. These results demonstrate that ground deformation may not be indicative of eruption probability, style/size, and this has direct implications on surveillance at active explosive volcanoes |
Appears in Collections: | Article published / in press |
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di_doronzo et al comm earth s43247-023-00880-9 (1).pdf | Open Access published article | 2.22 MB | Adobe PDF | View/Open |
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