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 Land Meteosat Sentinel Data Metop Jason Tags NOAA GOME-2 MSG Third Party Sentinel-3 Sentinel-6 Altimeters Copernicus Metop-C Metop-B Himawari GOES ABI AHI Pacific Ocean Date 2022 SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 13 January 2022 15:00-23:50 UTC and 14 January 04:51 UTC-17 January 04:30 UTC 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.