20160721 15482700 1.0 TRUE Anthropogenic sinkholes della Città Metropolitana di Napoli Gli sprofondamenti improvvisi di origine antropica (anthropogenic sinkholes) costituiscono un evento ricorrente nel territorio della Città Metropolitana di Napoli e rappresentano, pertanto, un serio fattore di rischio. Il verificarsi dei sinkholes è legato frequentemente alla presenza di cavità sotterranee, con il crollo delle volte in tufo o delle canne di accesso alle cavità a seguito di eventi meteorici intensi e prolungati o a seguito di perdite delle condotte idriche e fognarie. Le variazioni d’uso del territorio e le forti vibrazioni del terreno legati al traffico veicolare o a lavori di manutenzione possono costituire altro fattore scatenante La Banca Dati territoriale realizzata dal Servizio Geologico d’Italia (ISPRA) e dall’Ufficio S.I.T. della Città Metropolitana di Napoli nasce con l’obiettivo di fornire uno strumento avanzato di analisi dei fattori predisponenti e di innesco degli anthropogenic sinkholes, ai fini della elaborazione di una zonazione della suscettibilità. Nella Banca Dati sono raccolte e organizzate le informazioni relative agli eventi di sprofondamento censiti, all’assetto stratigrafico del sottosuolo, alla circolazione sotterranea, alla rete delle cavità sotterranee e degli altri principali sottoservizi. Anthropogenic sinkholes della Città Metropolitana di Napoli Servizio Geologico d'Italia - ISPRA SH_Napoli sinkholes napoli italia 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