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 Metop Atmospheric Composition Land Ocean Weather Meteosat Sentinel Jason Tags GOME-2 Sentinel-3 ASCAT Meteosat Second Generation (MSG) OLCI SEVIRI SLSTR SRAL Third Party Meteosat Third Generation (MTG) Sentinel-6 Africa Altimeters Copernicus IASI Metop-C NOAA Metop-A Metop-B EPS Europe Asia S America Himawari GOES MODIS VIIRS ABI AHI Polar Pacific Ocean Date 2022 2021 2018 SHOW ALL Sort by Start Date Order Ascending Descending 4 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 2019 EUMETSAT Science Blog Image Library top ten for 2019 A look at our most popular case studies from 2019. Case study 6-15 May 2018 EUMETSAT Science Blog Transport of African-Arabian dust to Pakistan & north India In May 2018 dust clouds from Africa and the Arabian peninsula travelled as far as India.