ALASKA VOLCANO OBSERVATORY DAILY UPDATE
U.S. Geological Survey
Sunday, February 12, 2023, 8:57 AM AKST (Sunday, February 12, 2023, 17:57 UTC)
No unusual activity was observed in cloudy satellite and web camera data over the past 24 hours. Seismicity remained low over the past 24 hours with only a few small local earthquakes.
Great Sitkin Volcano is monitored by local seismic and infrasound sensors, satellite data, web cameras, and regional infrasound and lightning networks.
No unusual activity observed in seismic or satellite views over the past day. Steam emissions observed in the occasional clear web camera view of the summit of the past day.
Small eruptions producing minor ash deposits within the vicinity of the active north crater of Mount Young and ash clouds usually under 10,000 ft (3 km) above sea level have characterized the recent activity. Additional ash-producing events could occur again with little warning.
Semisopochnoi volcano is monitored by local seismic and infrasound sensors, satellite data, web cameras, and regional infrasound and lightning networks.
Seismicity has slightly increased over the past day. No signs of unrest were seen in cloudy satellite views of the volcano.
Takawangha volcano is monitored by local seismic and infrasound sensors, satellite data, and regional infrasound and lightning networks.
OTHER ALASKA VOLCANOES
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Matt Haney, Acting Scientist-in-Charge, USGS firstname.lastname@example.org (907) 786-7497
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