1. Characteristics a). Deposits b). Source areas c). Mobility 2. Distribution a). North America b). South America c). Asia d). Africa 3. Hazards a). Associated eruptions b). Hazard maps

Large Volcanic Debris Avalanches;

Characteristics, Distribution, and Hazards

Lee Siebert

Smithsonian Institution

EHaz Multi-University Course on Volcano Instability

January 25, 2007