Risk and Mitigation of the Large Landslide of Brindisi di Montagna

The Brindisi di Montagna Scalo landslide is located in Basilicata region (Italy), about 18 km south-east of Potenza. It consists on an active earth-flow with a longitudinal extension of about 700 m. The accumulation zone extends till the Basento’s riverbed (on the left side), which is partially obstructed. This area is periodically fed with debris or mud moving along the flow channel, due to both the reactivations of the earthflow along the landslide channel caused by wintry rainfalls and the retrogression of the crown towards upstream and deconstruction of collapsed soil in different parts of the landslide body. The risk induced by this earth flow derives from the presence, on the right bank of Basento river, of a railway line and, a little further away, of the state road 407 “Basentana”. The aim of this work is the analysis of the possible design solutions in order to mitigate the risk. The assessment of risk mitigation measures for the Brindisi di Montagna Scalo landslide was differentiated for the three main geomorphological zones of the landslide: alimentation area, landslide channel and accumulation zone