Great Sitkin Volcano Remains in Alert Status as Lava Erupts Slowly
The Alaska Volcano Observatory maintains a WATCH alert with an ORANGE color designation for Great Sitkin, noting that lava continues to flow within the summit crater.
Volcanologists at the Alaska Volcano Observatory have confirmed that volcanic activity persists inside the summit of Great Sitkin in the Aleutian Islands region. The current eruption has been ongoing since July 2021 and is characterized by a slow movement of lava within the crater.
Monitoring equipment indicates that several small earthquakes were detected over the past twenty-four hours, suggesting continued seismic activity beneath the volcano's surface despite the lack of major tremors reported to the public.
Visual confirmation from satellite imagery and webcam feeds has been limited due to heavy cloud cover obscuring views of the active vent area. This atmospheric condition prevents observers from directly assessing the extent of recent lava flows or changes in crater morphology.
The official alert status remains set at ORANGE, which signifies that while an eruption is occurring, it poses a relatively low threat level compared to higher intensity alerts issued by emergency management agencies elsewhere.
At a glance
- Eruption began July 2021
- Lava flows slowly within crater
- WATCH/ORANGE alert active
- Small earthquakes detected recently