Pantelleria (1 of 2) (IMAGE) University of Leicester Caption Dr. Rebecca Williams and the remarkable volcanic deposit on Pantelleria island are shown. Credit Credit: Mike Branney/ University of Leicester 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.