Postcard from Katmai

Quick — which was the biggest volcanic eruption of the 20th century? Was it Mount St. Helens in 1980; or Pinatubo in 1991? Not even close! The largest by far was Novarupta in 1912, a cataclysmic event that darkened skies for three days and created the barren Valley of 10,000 Smokes in what is now […]

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