Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Data Sentinel Atmospheric Composition Land Meteosat Tags Meteosat Second Generation (MSG) SEVIRI SNPP OLCI Sentinel-3 Africa VIIRS Date 2021 SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 22 May 2021, 18:00 UTC to 23 May, 17:15 UTC Destructive eruption of volcano Nyiragongo In the evening of 22 May 2021 volcano Nyiragongo started to erupt, threatening life and property.