“…Persistent Scatterer Interferometry (PSI) is another approach of interferometry which may contribute in subsidence mapping with effective results with millimeter accuracy (Crosetto, Monserrat, Cuevas-González, Devanthéry, & Crippa, 2016;Rosi, Agostini, Tofani, & Casagli, 2014;Strozzi et al, 2001;Righini, Raspini, Moretti, & Cigna, 2011;Tofani, Raspini, Catani, & Casagli, 2013). PSI using ERS-1/2 and Envisat data has been applied for landslide monitoring in the Italian Alps (Del Ventisette, Righini, Moretti, & Casagli, 2014). The same approach was exploited different SAR data and the results were associated with GNSS data (Bovenga, Refice, Pasquariello, Nitti, & Nutricato, 2014;Colesanti & Wasowski, 2006;Crosetto et al, 2013).…”