The Las Colinas landslide, Santa Tecla: A highly destructive flowslide triggered by the January 13, 2001, El Salvador earthquake
Published:January 01, 2004
Stephen G. Evans, Allison L. Bent, 2004. "The Las Colinas landslide, Santa Tecla: A highly destructive flowslide triggered by the January 13, 2001, El Salvador earthquake", Natural Hazards in El Salvador, William I. Rose, Julian J. Bommer, Dina L. López, Michael J. Carr, Jon J. Major
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The Las Colinas landslide was one of thousands of landslides triggered by the January 13th El Salvador earthquake (MW 7.6) in early 2001. The landslide was highly destructive. It led to the death of ∼585 people when it swept into a residential area of Santa Tecla, a suburb of San Salvador. The landslide originated from the top of a steep escarpment and involved pyroclastic deposits (silty sands and sandy silts) interbedded with paleosol horizons. The initial volume of the landslide was only ∼130,000 m3. The runout distance of the landslide, which developed into a rapid flowslide, was...