Great Sitkin Volcano: Ongoing Eruption Monitored by USGS
Great Sitkin Volcano: Ongoing Eruption Monitored by USGS
US · Published Sep 30, 2026
• The Alaska Volcano Observatory (AVO) reports that the slow eruption of lava at Great Sitkin Volcano continues, as of September 29,
• The eruption, which began in July 2021, has filled most of the summit crater and extended into nearby valleys. No explosions have occurred since May

Impact & Risks

The ongoing eruption poses localized risks, including potential lava flow damage and air quality issues from volcanic gases. While no explosions have been reported recently, the situation requires close monitoring. Communities near the volcano should remain vigilant, as changes in activity could escalate risks.

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