THIS STUDY PROPOSES A METHODOLOGY TO DELIMIT AREAS AT RISK FOR LANDSLIDES, ON THE BASIS OF THE ANALYSIS OF THE FOLLOWING STUDIES CARRIED OUT BY THE UNIVERSITY OF BÍO-BÍO: ?STUDY OF EARTHQUAKE AND TSUNAMI RISKS FOR THE COASTAL COMMUNITIES OF THE OF BÍO-BÍO REGION, CHILE? AND ?PRC RISK STUDY-ANTI-SEISMIC REPORT FOR RENAICO, ARAUCANÍA REGION OF CHILE?. IN CHILE, THE COMMUNAL REGULATORY PLANS (PRC), THE MAIN REGULATORY INSTRUMENTS FOR RISK-PLANNING IN THE NATIONAL TERRITORY, LACK SPECIFIC METHODOLOGIES TO ADEQUATELY IDENTIFY AREAS AT RISK FOR LANDSLIDES.