Alaska Volcano Observatory Updated Volcano Status Levels
Officials have maintained watch and advisory status for two Alaskan volcanoes amid ongoing eruptive activity.
Updated on Sept. 20, 2026 in Current Conditions
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The Alaska Volcano Observatory has issued updated status reports for Great Sitkin and Shishaldin volcanoes. Scientists continue to monitor both sites for lava eruptions and seismic unrest.
Why it matters
Regular monitoring of these volcanoes is essential for maintaining aviation safety and informing local residents of potential geological hazards. This consistent surveillance allows experts to track shifting activity levels in real time.
Great Sitkin Volcano sits at an elevation of 5,709 ft, while Shishaldin Volcano reaches 9,373 ft. These heights are monitored continuously by local seismic and satellite networks to track ongoing geological changes.
The players
Alaska Volcano Observatory
This entity is a cooperative program between the United States Geological Survey, the University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys.
The details
Great Sitkin Volcano remains under a watch alert level with an orange aviation code as it continues a slow lava eruption in its summit crater. Meanwhile, Shishaldin Volcano is classified under an advisory level with a yellow aviation code due to detected low-level seismic unrest.
Timeline
May 2021 was the date of the last explosion at Great Sitkin Volcano.
July 2021 marked the beginning of the current eruption at Great Sitkin Volcano.
September 20, 2026, was the publication date of the current volcano status update.
Seasonal Patterns
The ongoing monitoring of these specific sites follows the standard operational protocols established by the National Volcanic Early Warning System. This activity is consistent with long-term geological data trends observed in the Aleutian Arc region.
Aviation operators and residents should regularly check official updates for changes in aviation color codes or hazard alerts. Maintaining awareness of these geological alerts ensures appropriate safety precautions can be implemented if activity escalates.
The takeaway
Volcanoes are dynamic systems that require persistent monitoring to manage potential risks to regional aviation. Residents and travelers are encouraged to stay informed through official government channels to track shifting alert levels.
Further reading
For additional context on regional geological activity, view the latest Current Conditions for Alaska.
More information
View the detailed Great Sitkin Volcano monitoring data provided by the Alaska Volcano Observatory.
Source note: This article includes information reported by Usgs.
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