United States Geological Survey National Volcanic Threat Assessment

The United States Geological Survey National Volcanic Threat Assessment is a report containing a ranked list of active volcanoes in the United States posing hazardous risks to the American population. The report was published by the United States Geological Survey in 2005 and revised in 2018.

Source: Wikipedia — United States Geological Survey National Volcanic Threat Assessment (CC BY-SA 4.0)