2018 Coral in Chuuk, Micronesia (IMAGE) University of Guam Caption Piis Patch Reef on the Micronesian Island of Chuuk is shown in August 2018 following a coral bleaching event associated with El Niño, or the warming phase of sea temperatures. Credit University of Guam 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.