Sangay volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 September-27 September 2022 (Continuing Activity)

IG reported a high level of activity at Sangay during 20-27 September. Daily seismic counts ranges were 702-1,152 explosions, 12-105 long-period events, and 9-95 tremor events indicating emissions. Daily ash-and-gas plumes were identified in IG webcam images and visible in satellite images according to the Washington VAAC.
Plumes generally rose as high as 2 km above the volcano but during 25-27 September they rose as high as 3 km. The plumes drifted mostly W and NW, but some drifted SW, N, and NE. Daily thermal anomalies were identified in satellite images.
Ashfall was reported in the Chauzán sector, Chimborazo province, during 22-23 September.

Source: Instituto Geofísico-Escuela Politécnica Nacional (IG)
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From: Global Volcanism Program, 2022. Report on Sangay. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 21 September-27 September 2022. Smithsonian Institution and US Geological Survey.