Geologic Hazards
Geologic Hazards
U.S. Geological Survey Fact Sheet 176-97
Version 1.0
Some Landslides move slowly and cause damage gradually, whereas others move so rapidly that they can destroy property and take lives suddenly and unexpectedly. Debris flows, sometimes referred to as mudslides, mudflows, lahars, or debris avalanches, are common types of fast-moving landslides.
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