Avalanche 03
Avalanche 03 : Natural Disaster. "A moving mass of snow or ice typically occurring in mountainous terrain on slopes of 20 degrees or more. Extensive avalanche hazard areas exist in the western States and Alaska. The 6800 avalanche flows estimated to occur yearly in these areas result in a mean annual death toll of seven and property losses in excess of $500,000. Changes in land cover and continued development in avalanche hazard areas are expected to result in an increase in loss of life and property". (FEMA, IEMS HICA MYDP (CPG 1-34, 1985, p. A-1)
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