Nabil Manchar, Chaouki Benabbas, Riheb Hadji, Foued Bouaicha and Florina Grecu
east of the chief town, the A1 highway and its neighbouring have been affected by spectacular mass movements during and after its construction [ 13 ].
Landslide susceptibility assessment has become a major research topic in the last few decades [ 14 ]. It is often performed through the identification, analysis and combination of landslide causative factors. It is generally approached by two broad techniques: (i) qualitative approaches, based on expert knowledge, and (ii) quantitative approaches based on statistical analysis [ 15 , 16 , 17 , 18 , 19 ]. Nowadays