Guest Video: The Biggest Eruption of the 20th Century

This 2012 presentation tells the story of the VEI 6 eruption of Katmai/Novarupta in 1912.

Alaskans are still experiencing ashfall from that eruption’s deposits whenever the wind is right, most recently in November 2017 according to the Smithsonian.

This huge eruption was unusual in that it was associated with a caldera collapse in nearby Katmai Volcano.

The Internet Archive has the 1922 National Geographic Society report on their expedition to the volcano here.

The Alaska Volcano Observatory monitors Katmai around the clock, but the only trouble the volcano has caused lately has been remobilized ash from the 1912 eruption.


Featured image: NASA


One comment on “Guest Video: The Biggest Eruption of the 20th Century

  1. Pingback: Caribbean Plate Volcanoes: The Central American Arc | Flight To Wonder

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