Assessing urban vulnerability to landslides using the Analytic Hierarchy Process (AHP): Case study of the municipal head of Djebahia in Algeria

Djebahia is an average city in the Algerian centre, reported to have many risks related landslides, with very important indices of instabilities. The recurrence damaging events this locality has shown fragility its urban system. main objective article analyse vulnerability municipality by determining physical condition structure. procedures for analysis factors at origin risk are mainly derived from spatial program, represented geographic information system software (ARCMAP), which contains a set tools facilitating process analysis. present research was based on analytic hierarchy (AHP) Thomas Laurie Saaty (1990), belongs series multi-criteria approaches. showed three levels vulnerability: high, medium, and low, while elements most affected landslides equipment, collective, individual housing. These results were translated into map landslide risk.