Weakly elevated surface temperatures were observed at Great Sitkin in satellite data from last night and this morning.  Seismicity remained over the past 24 hours.

Great Sitkin Volcano is monitored by local seismic and infrasound sensors, satellite data, web cameras, and regional infrasound and lightning networks.

Seismicity remains slightly elevated with weak tremor observed over the past day.  No activity was observed in satellite imagery.  A few partly clear views of Mount Young show fresh snow with no visible ash discolorations. 

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.

Numerous small, local earthquakes were detected at Takawangha volcano over the past day. No signs of unrest were seen in partly cloudy satellite views of the volcano.

Takawangha volcano is monitored by local seismic and infrasound sensors, satellite data, and regional infrasound and lightning networks.