Abstract

The topographic and geo-morphological characteristics of the Salento peninsula(Puglia, south-eastern Italy) mean that movements of mass are extremely rare. Thesephenomena particularly affect certain coastal zones characterized by cliffs in rapid retreatand some unusual points in the hinterland in which collapses, generally linked to thedevelopment of karstic cavities, are common. These phenomena demonstrate the brittlenessof some areas of the Salento, and they constitute a restraint on the use of the territoryitself. The town of Mesagne is one of the sites at greatest geological risk in the northSalento peninsula. In the last few decades, the historical centre of Mesagne has beenaffected by a series of subsidence events, which have, in some cases, resulted in the partialcollapse of buildings and road surfaces. The last event was in the January 2014. It causedsubsidence phenomenon in a wide area, and many families have been forced from theirhomes. These events have had both social repercussions, causing alarm and emergencysituations, and economic repercussions in terms of the expense of restoration. In order todetermine the causes of the ground subsidence events, integrated geophysical surveys wereundertaken in the historical centre of Mesagne. In addition, the analysis of several wellsallowed the 3D model reconstruction related both to the geology and to the groundwaterdepth in the surveyed areas. With the purpose of estimating the dimensions of the phenomenonand its possible relationship with both specific environmental conditions (forinstance groundwater depth variation) and anthropic conditions (for instance the losses inwater supply and sanitation), some geophysical measurements were repeated in the time.The study led to the production of a detailed description of the subsidence causes thatallows a quick action to restore security conditions in the area.

Autore Pugliese

• Leucci Giovanni , De Giorgi Lara

Tutti gli autori

• G. Leucci; L. De Giorgi; F. T. Gizzi; R. Persico

Titolo volume/Rivista

Natural hazards

Anno di pubblicazione

2016

ISSN

0921-030X

ISBN

Non Disponibile

Numero di citazioni Wos

Nessuna citazione

Ultimo Aggiornamento Citazioni

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Numero di citazioni Scopus

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Ultimo Aggiornamento Citazioni

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Settori ERC

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Codici ASJC

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