Evaluación geológica post-sismo del 14 de agosto del 2016: reactivación de la falla Yanque, Arequipa

Abstract

[ENG] Colca fault system presents intense seismic activity and the last earthquake confirms it. This event was the result of Yanque fault reactivation. It was a shallow quake (hypocenter depth 8km) with 5.3 ml magnitude, which generated significant coseismic effects (rockfalls, landslides, sinkholes and others) inside influence area, where it affected roads (highways and roads), agricultural land and housing; an also fatalities. The damage occurred derived from the unconsolidated deposits found throughout the valley where the villages of Ichupampa, Yanque and Achoma are located, and inefficient types of construction used.