Map of Stratospheric Sulfur Dioxide (IMAGE) NASA/Goddard Space Flight Center Caption The map above shows stratospheric sulfur dioxide concentrations on July 28, 2018, as detected by OMPS on the Suomi-NPP satellite, when Ambae was at the peak of its sulfur emissions. For perspective, emissions from Hawaii's Kilauea and the Sierra Negra volcano in the Galapagos are shown on the same day. Credit Credits: Image by Lauren Dauphin, NASA Earth Observatory, using OMPS data from GES DISC and Simon Carn. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.