Forecasts Possible Yellowstone supervolcano eruption July 18, 2015 Alex The map below shows what happens if the supervolcano erupts; the exact zones will depend on wind, time of year, and other factors. Related Posts:How the World was Imagined: First Maps and AtlasesTimeless Editions of the Classic Monopoly GameThe 35 Best Map-Based Strategy Board GamesSolar and wind power potential of the U.S.How America's Climate Zones Are ShiftingWhat Mobile Brand Dominates the Market Share in Each…Cancer Deaths in the United States MappedThe Best World Atlases in 2026