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17 November 2021 / CBC / Mark Thiessen

Winds whip up volcanic ash from 1912 eruption in Alaska

Volcano scientists issued an alert Wednesday, warning that a cloud of ash — from an eruption more than century ago — was headed toward Alaska's Kodiak Island. The ash is from the powerful 1912 eruption of Novarupta.

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Historical - ash fall from Novarupta eruption 1912
Alaska Air Quality Levels - Note no Monitoring Inftrastructure Yet for Kodiak Island
Purple Air Website 11-19-21