Geo-hazards of the San Vito peninsula offshore (southwestern Tyrrhenian Sea)

A. Sulli, M. Agate, E. Zizzo, M. Gasparo Morticelli and C. Lo Iacono

Journal of Maps, 2021, vol. 17, issue 3, 185-196

Abstract: In this paper we present geomorphological hazard mapping of the San Vito Peninsula offshore (Sicilian margin of Tyrrhenian Sea), characterised by a very narrow continental shelf and a very dipping, tectonically active continental slope, no far from a seismogenic belt. The data set consists of morpho-bathymetric models achieved by means of multibeam survey and scattered high resolution seismic profiles. The morpho-bathymetric study highlighted some potential sites of geomorphological hazards, the most representative of which are: (i) two canyons developing from the upper slope off San Vito Cape down to the Erice basin; (ii) a dense network of small incisions across the upper slope; (iii) a very active landslide, developed onland and extending in the continental shelf close to the Scopello village. The geomorphological features that can generate submarine hazard are represented by: unstable sediment packages into canyon heads or along the upper slope; submarine canyons with regressive erosion; coastal landslides.

Date: 2021
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DOI: 10.1080/17445647.2020.1866703

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