Aleutian Islands' Volcanos (IMAGE) NASA/Goddard Space Flight Center Caption Volcanic sulfur dioxide emissions from the Aura satellite are shown in shades of orange in this view of the Aleutian Archipelago in Alaska. Credit Jesse Allen/ NASA's Earth Observatory 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.