Leonard Ohenhen (IMAGE) Virginia Tech Caption Using satellite-obtained data, Leonard Ohenhen mapped the entire East Coast to demonstrate how the inclusion of land subsidence reveals many areas to be more vulnerable to floods and erosion than previously thought. Photo by Christina Franusich for Virginia Tech. Credit Virginia Tech Usage Restrictions Credit Virginia Tech 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.