Del Prete S. (1); Iovine G. (2); Parise M. (3); Santo A. (1), 2010, Origin and distribution of different types of sinkholes in the plain areas of Southern Italy., Geodinamica Acta 23 (2010): 113–127. doi_10.3166/ga.23.113-127,
URL: http://www.cnr.it/prodotto/i/41701

Sinkholes constitute a significant risk in many karst areas, and may even threat human safety. Collapse sinkholes that occur catastrophically without showing premonitory signs may result in severe economic losses and casualties. In the last years, research on sinkholes and related detrimental effects has significantly increased in Italy, in the aftermath of remarkable events. Aimed at analysing the peculiar conditions which lead to sinkhole occurrence in Southern Italy, a set of cases in the plain areas of Campania, Apulia and Calabria is discussed. The considered regions show a wide variety of environmental conditions. In Campania, the plains are underlain by alluvial deposits with intercalations of volcaniclastic sediments. Sinkholes are generally located along the Tyrrhenian margin of the carbonate massifs or within intramontane Apennine basins. In Apulia, a flat and elongated peninsula, most of the cases occur on calcarenites overlying limestone bedrock along the coast. In Calabria, one of the most seismogenic Italian regions, the surveyed cases seem to be attributable mainly to earthquake-induced liquefaction. The article provides a first glance on the variety of sinkholes in the plain areas of Southern Italy, to highlight the possibility of further subsidence events in the considered regions, as well as in other comparable areas of the country.

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