Popocatepetl volcano (Mexico) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 September-7 September 2021 (Continuing Activity)
The Washington VAAC noted that ash plumes rose to 5.8-6.1 km (19,000-20,000 ft) a.s.l. and drifted NW and W during 5-6 September based on satellite and webcam views. Explosions were recorded by CENAPRED at 1642 on 5 September and 0820 on 6 September.
Emissions had a low ash content during 6-7 September; explosions occurred at 0212 and 0414 on 7 September. The Alert Level remained at Yellow, Phase Two (middle level on a three-color scale).
Sources: Centro Nacional de Prevencion de Desastres (CENAPRED), Washington Volcanic Ash Advisory Center (VAAC)
From: Global Volcanism Program, 2021. Report on Popocatepetl. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 1 September-7 September 2021. Smithsonian Institution and US Geological Survey.