Tuvalu's Funafuti Atoll (image) Geological Society of America Share Print E-Mail Caption Tuvalu's Funafuti atoll. Credit Image courtesy NASA. Usage Restrictions Image courtesy NASA. Share Print E-Mail 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.