Maps show location of Novarupta, VTTS ignimbrite (yellow), Katmai caldera, and region impacted by ashfall during the 6-8 June 1912 eruption. Dustfall was reported in Virginia by 10 June and in Algeria by 19 June. Ashfall crippled Alaskan ecology and commerce in 1912-13. In 2012, round-the-clock seismic and satellite monitoring by Alaska Volcano Observatory ensures that future eruptions won’t surprise us.
Image courtesy of AVO/USGS.
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