Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Land Data Atmospheric Composition Meteosat Sentinel Tags Meteosat Second Generation (MSG) OLCI Sentinel-3 SEVIRI Africa SNPP VIIRS Date 2021 Date May 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 EUMETSAT Science Blog Destructive eruption of volcano Nyiragongo In the evening of 22 May 2021 volcano Nyiragongo started to erupt, threatening life and property.