The United States is one of the most volcanic countries in the world, boasting more than 10 percent of the planet's active or potentially active volcanoes. https://on.natgeo.com/2Q20Ef5

The United States is one of the most volcanic countries in the world, boasting more than 10 percent of the planet's active or potentially active volcanoes. https://on.natgeo.com/2Q20Ef5 

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