Santorini (IMAGE) Oxford Brookes University Caption The cliffs of the volcanic island of Santorini showing the layers of deposits from past volcanic eruptions. Credit Dr. Ralf Gertisser (Keele University) Usage Restrictions no restrictions License Original 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.