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Re-assessing marine geohazards along the Calabrian continental margin in southern Italy

Authors

Ceramicola,  Silvia
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Markezic,  Nora
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Forte,  Emanuele
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Bianchini,  Marco
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Chiocci,  Francesco
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Di Laudo,  Umberto
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Manzoni,  Luca
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Cartigny,  Matthieu
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Huvenne,  Veerle
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Ferraccioli,  Fausto
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Ceramicola, S., Markezic, N., Forte, E., Bianchini, M., Chiocci, F., Di Laudo, U., Manzoni, L., Cartigny, M., Huvenne, V., Ferraccioli, F. (2023): Re-assessing marine geohazards along the Calabrian continental margin in southern Italy, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4945


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021344
Abstract
The Calabrian Arc subduction-rollback system along the convergent Africa/Eurasia plate boundary is among the most active geological structures in the Mediterranean Sea. Single and composite landslides, volcanic features, seismogenic faults, erosive canyons, and fluid flow systems were imaged in this region as part of the recent 2021 Atlas of Marine Geohazards of the Italian Coast, and areas prone to hazards were intially assessed on the basis of their distance from the coast and their morphologiy. The Squillace submarine canyon is one of the most striking features imaged in the Atlas in this region. It is located at only a few hundred meters from the coast and is characterized by dendritic headwalls connected with prominent flash flood river systems onshore. Here we present the design of new marine geophysical surveys planned for June 2023 within the EU EUROFLEETS+ programme that aims to collect a new multiparameter dataset (MBES and SBP from AUV, aero photogrammetry and sediment samples from ROV) to obtain very high-resolution imaging of the offshore Squillace canyon headwalls and derive lithological and geotechnical parameters indicative of instability, Additionally, we showcase initial work performed within two EU funded PNRR (National Recovery and Resilience Plan) initiatives. Over the coarse of the next three years we aim to generate a new geodatabase of submarine features, including landslides that will enable for example detailed intercompartative assessments of geohazards associated with he Calabrian, Ionian and Tyrrhenian continental margins, and to develop novel approaches for feature recognition based on machine learning and artificial intelligence approaches.