Lava Flow Hazard Zones are areas designated by the United States Geological Survey for the Island of Hawaiʻi in the United States. First prepared in 1974 by Donal Mullineaux and Donald Peterson of the USGS and revised in 1992, the maps outline the qualitative hazard posed by lava flows based on the past history of lava flow activity on each of the 5 volcanoes that form the Island of Hawaiʻi. Zone 1 represents the areas that are most hazardous and Zone 9 the least hazardous.
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