Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Atmospheric Composition Sentinel Satellites Climate Land Ocean Weather Data Meteosat Metop Jason Tags Metop-B GOES GOME-2 Meteosat Second Generation (MSG) OLCI Third Party Sentinel-3 Sentinel-6 Altimeters Copernicus IASI Metop-C NOAA Metop-A Himawari SNPP ABI AHI Pacific Ocean Date 2022 2021 2020 SHOW ALL Sort by Start Date Order Ascending Descending 3 results Case study 13 January 2022 15:00-23:50 UTC and 14 January 04:51 UTC-17 January 04:30 UTC EUMETSAT Science Blog Hunga Tonga-Hunga Ha'apai major eruptions In January 2022 the underwater volcano Hunga Tonga-Hunga Ha'apai in the Pacific Ocean erupted a number of times. Case study 9-12 April 2021 EUMETSAT Science Blog Major eruption of La Soufrière volcano Major eruption of the Caribbean volcano La Soufrière in early April 2021. Case study January–December 2020 EUMETSAT Science Blog Top ten case studies for 2020 A look at our most popular case studies from 2020.