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The San Ramón (Spanish: Falla de San Ramón) is a Chilean geological fault, located in eastern Santiago Metropolitan Region, passing through the eastern part of Santiago marking the boundary between the Chilean Central Valley and the Andes.[1] As an active thrust fault it constitutes a seismic hazard zone for the densely populated Santiago.


  1. ^ Armijo, Rolando; Rauld, Rodrigo; Vargas, Gabriel; Campos, Jaime; Lacassin, Robin; Kausel, Edgar (2010). "The West Andean Thrust, the San Ramón Fault, and the seismic hazard for Santiago, Chile". Tectonics. doi:10.1029/2008TC002427.