Debris Avalanche
Debris Avalanche
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Volcano Hazards in the Cascade Range
The U.S. Geological Survey's Cascades Volcano Observatory strives to serve the national interest by helping people to live knowledgeably and safely with volcanoes in WA, OR, and ID.
Debris Avalanches Occur at Many Cascade Volcanoes
Massive slope collapse is natural part of the life cycle of Cascade volcanoes.