The list is a ranking of the “potential severity of impacts” of future hypothetical eruptions. Several factors are taken into account to effectively help local communities in case of a disaster.
Photo: Courtesy of National Geographic
It's no surprise that Kīlauea in Hawaii tops the list as the most dangerous volcano in the U.S., according to newly released rankings from the U.S. Geological Survey, since it seems like it was just yesterday that hundreds of homes were destroyed by molten lava pouring like water. Washington's Mount St. Helens and Mount Rainier are also on the top three slots.