These are the most dangerous U.S. volcanoes, scientists say

The first update to government rankings since 2005 uses multiple factors to reveal the potential severity of impacts from future eruptions.

In the wake of its recent fiery rampage, it's perhaps 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. Washington's Mount St. Helens and Mount Rainier round out the top three slots.

The new volcano threat assessment is an update to a 2005 report that determined the greatest risks based on the potential for eruption and human impacts. To be clear, the report does not forecast the volcanoes most likely to erupt—it is merely a ranking of the “potential severity of impacts” of future hypothetical eruptions.

“The threat articulated in this report is the same threat that was there

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