Debris Avalanche 1
Debris Avalanche 1 : A debris avalanche is a sudden and rapid movement of rock and other debris (e.g. vegetation) driven by gravity. It may result from the collapse of the side of an oversteepened volcano or gravitational collapse of unconsolidated sediments. Depending on their scale, debris avalanches may destroy everything in their path. They can occur during volcanic eruptions or when a volcano is not actively erupting. They are one of the most hazardous but least common volcanic events
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