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Preliminary overview map of volcanic hazards in the 48 conterminous United States Preliminary overview map of volcanic hazards in the 48 conterminous United States
Volcanic eruptions and related phenomena can be expected to occur in the Western United States, and in some places are potentially hazardous enough to be considered in longe-range land-use planning. But the immediate risk from volcanic hazards is low because eruptions are so infrequent in the conterminous United States that few, if any, occur during any one person 1s lifetime...