Kilauea Volcano Lava fountains and channelized flow erupting from the Fissure 8 spatter cone along Kilauea’s Lower East Rift Zone in the Leilani Estates subdivision, lower Puna, Hawai’i, on June 25, 2018. (Photo: Ben Gaddis, U.S. Geological Survey).

A new U.S. Geological Survey national volcanic threat assessment identified 18 volcanoes as a “very high” risk.

The threat assessment reviewed 161 active volcanoes in the U.S. and divides them into five threat categories. In addition to the 18 very high threat volcanoes, the rest of the total includes 39 high threat, 49 moderate threat, 34 low threat, and 21 very low threat volcanoes.

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