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 Meteosat Data Sentinel Tags Sentinel-3 SNPP OLCI MTG Himawari VIIRS AHI Date 2017 Date September SHOW ALL Sort by Start Date Order Ascending Descending 1 result Case study 22 September 2017 17:00–25 September 06:30 UTC, 1 October 19:00–21:00 UTC and 5 April 2018 00:00 UTC–14 April 00:00 UTC Eruptions of volcano Aoba in Vanuatu archipelago Intermittent eruptions from Aoba in 2017 and 2018.