Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Sentinel Atmospheric composition Data Meteosat Tags MTG Sentinel-3 SNPP AHI OLCI Himawari VIIRS 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.