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Geosciences 2018, 8(2), 60; https://doi.org/10.3390/geosciences8020060

Fluid Vents, Flank Instability, and Seafloor Processes along the Submarine Slopes of the Somma-Vesuvius Volcano, Eastern Tyrrhenian Margin

1
Istituto per l’Ambiente Marino Costiero, IAMC-CNR, Calata Porta di Massa, Interno Porto di Napoli, 80133 Naples, Italy
2
Istituto per l’Ambiente Marino Costiero, IAMC-CNR, U.O.S. Capo Granitola, Via del Faro 3, 91021 Campobello di Mazara, Trapani, Italy
3
Istituto Nazionale di Geofisica e Vulcanologia, INGV, Via di Vigna Murata, 605, 00143 Roma, Italy
*
Author to whom correspondence should be addressed.
Received: 16 December 2017 / Revised: 2 February 2018 / Accepted: 5 February 2018 / Published: 8 February 2018
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Abstract

We report the geomorphological features of the continental shelf of the Gulf of Naples along the submarine slopes of the Somma-Vesuvius volcanic complex. This area is characterized by seafloor morphologies that are related to mantle degassing. Significant phenomena associated with this process occur. Doming of the seafloor has been detected in the area of Banco della Montagna, whereas a hole-like morphology has formed at Bocca dei Pescatori, likely as a result of a phreatic explosion. Outcropping or partially submerged volcanic bodies are also present as well as two main debris avalanche deposits arising from the main Somma-Vesuvius edifice. A large area characterized by an overall concave external profile and a global sediment wave morphology covers most of the southwestern area of the volcano. View Full-Text
Keywords: fluid vents; flank instability; coastal hazard; stratigraphy; multibeam bathymetry fluid vents; flank instability; coastal hazard; stratigraphy; multibeam bathymetry
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Passaro, S.; Sacchi, M.; Tamburrino, S.; Ventura, G. Fluid Vents, Flank Instability, and Seafloor Processes along the Submarine Slopes of the Somma-Vesuvius Volcano, Eastern Tyrrhenian Margin. Geosciences 2018, 8, 60.

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