Catastrophic, rainfall-induced debris flows in Andean villages of Tarapacá, Atacama Desert, northern ChileReport as inadecuate




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Resumen

In March 2012, during the rainy season in the Altiplanoplateau, a >100-year return period rainfall event affected the deeplyincised valleys of the Precordillera of the Tarapacá Region,northern Chile. This extreme event in a very arid region triggereda number of debris and mud flows that caused severe damage anddestruction in several small villages along the Camiña andTarapacá valleys. The highly vulnerable location of the villageson top of alluvial fans due to socioeconomic and cultural reasonsis a key factor to explain the level of destruction in most villages.In this paper, this unusual, remarkable landslide event is described,and the hazard faced by these settlements for futurerainfall episodes and possible mitigation measures are discussed.Nota general

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Author: Rebolledo Lemus, Sofía; - Mc Phee Torres, James; - Lara, Marisol; - Cartes, Mauricio; - Rubio, Eduardo; - Silva, David; - Correi

Source: http://repositorio.uchile.cl/



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