Sangay volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 September-5 October 2021 (Continuing Activity)

IG reported a high level of activity at Sangay during 28 September-5 October. Weather clouds and rain sometimes prevented visual and webcam observations of the volcano. Ash plumes were identified in satellite images by the Washington VAAC or in webcam views during 30 September-1 October and 3 and 5 October; plumes rose 500-1,200 m above the volcano and drifted W and SW.
Thermal anomalies over the volcano were often visible in satellite data. An active lava flow on the flanks was visible during a break in the weather cloud cover the evening of 4 October.

Source: Instituto Geofísico-Escuela Politécnica Nacional (IG)
---
From: Global Volcanism Program, 2021. Report on Sangay. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 29 September-5 October 2021. Smithsonian Institution and US Geological Survey.