Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Satellites Atmospheric Composition Meteosat Tags Meteosat Second Generation (MSG) Himawari SEVIRI Europe Terra/Aqua SNPP Date 2015 Date December SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 3 December 2015 02:00 UTC–05 December 04:00 UTC EUMETSAT Science Blog Mount Etna eruption in winter 2015 On 3 December 2015, for the first time in two years Mount Etna, erupted.