Ryan Pollyea, Virginia Tech (IMAGE) Virginia Tech Caption Ryan Pollyea at his Computational Geofluids Laboratory. On the screen in background is a map of Oklahoma, with clusters of earthquake events displayed. Credit Virginia Tech 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.