Remote Alaska volcano has calmed down after summertime unrest, observers say

By: James Brooks

Outlets: Alaska Beacon

Published: September 9, 2026

Words: 251

Last Updated: 2 weeks, 4 days ago

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The Alaska Volcano Observatory on Tuesday lowered the alert level for Kupreanof Volcano on the Alaska Peninsula after weeks of declining activity at the remote peak.

Kupreanof hasn’t erupted in about 570,000 years, but in May, the observatory raised its alert level after detecting a growing number of nearby earthquakes and detecting significant amounts of sulfur dioxide, a chemical associated with magma moving beneath volcanoes.

Unusual …

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