Santorini GPS Station (2 of 3) (IMAGE) Georgia Institute of Technology Caption Georgia Tech associate professor Andrew Newman has more than 20 GPS stations on Santorini, measuring the movements of the caldera. Some instruments have moved as much as 9 cm since January 2011. Credit Georgia Institute of Technology 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.