“…(B) Shaded view of the regional setting of the studied area, with the main structures affecting this sector of the Andes. MATMain Andean thrust (Herail et al, 1996), LC -Lipez-Coranzuli fault system, AG -Archibarca-Galan fault system, COT -Calama-Olacapato-El Toro fault system, CFN -CulampajaFarallon Negro fault system (Riller et al, 2001;Matteini et al, 2002a;Petrinovic et al, 2005;Mazzuoli et al, 2008), AFS -Atacama Fault system (Rutland, 1974;Riquelme et al, 2003). The azimuth of regional σ hmax is from the World Stress Map (Heidbach et al, 2008).…”