How Many Volcanoes On Earth Erupt Every Year and How Many Volcanoes In the United States Have Erupted?
About 60 volcanoes in the world erupt somewhere on land every year. Many others erupt on the ocean floor. About 50 volcanoes have been recorded as erupting in the United States, mainly in Oregon, Washington, Alaska, and Hawaii, since people started keeping track of such things. That makes the United States third in the world in
