Soft slabs are composed of light, low-density, recent snow. Soft slabs form as this snow settles and consolidates over time or with redistribution by wind. Soft slab avalanches tend to be triggered easily by the weight of a person or machine. They typically fracture at or just below the person or machine triggering them, and they tend not to propagate as widely as hard slabs unless they are associated with a critical avalanche layer.
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