Critical Issues: Map of the Day - Volcanoes and Volcanic Activity Alerts across the United States

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#MapOfTheDay! Interactive map of #volcanoes and current volcanic activity alerts from @USGS:
#MapOfTheDay! Today the Critical Issues Program (@AGI_GeoIssues) shared an interactive map of volcanoes and current volcanic activity alerts across the United States from the Volcano Hazards Program at the U.S. Geological Survey (@USGS), which you can find at For over 300 reports from trusted sources about volcanoes, check out our Research Database.