Subsidence (IMAGE) PNAS Nexus Caption Vertical land motion on the US East Coast (left); primary, secondary, and interstate roads in Hampton Roads, VA (top right), and JFK Airport (bottom right). Note that the yellow orange and red areas on these maps indicate sinking. Credit Ohenhen et al. Usage Restrictions None 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.