June 1, 1983
1 min read
Giant Volcanic Calderas
They are craters tens of kilometers in diameter that remain after eruptions far more violent than any in the span ofhuman history. Perhaps 10 of them have been created over the past million years
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June 1, 1983
1 min read
Giant Volcanic Calderas
They are craters tens of kilometers in diameter that remain after eruptions far more violent than any in the span ofhuman history. Perhaps 10 of them have been created over the past million years