Debris-flow hazards at San Salvador, San Vicente, and San Miguel volcanoes, El Salvador
Published:January 01, 2004
Jon J. Major, Steven P. Schilling, Carlos R. Pullinger, C. Demetrio Escobar, 2004. "Debris-flow hazards at San Salvador, San Vicente, and San Miguel volcanoes, El Salvador", Natural Hazards in El Salvador, William I. Rose, Julian J. Bommer, Dina L. López, Michael J. Carr, Jon J. Major
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Volcanic debris flows (lahars) in El Salvador pose a significant risk to tens of thousands of people as well as to property and important infrastructure. Major cities and nearly a third of the country's population are located near San Salvador, San Vicente, and San Miguel volcanoes. Debris flows traveling as little as 4 km from source at these volcanoes put hundreds to thousands of lives, property, and infrastructure at risk.
We used a statistically based model that relates debris-flow volume to cross-sectional and planimetric inundation areas to evaluate spatial patterns of inundation from a suite of debris flows ranging in...