Interplate Speeds and Vertical Speeds (IMAGE) University of Seville Caption Annual horizontal interplate speeds (orange arrows) and annual vertical speeds (blue arrows) between 2005 and 2015 with a 95 percent degree of reliability (ellipses and red gaps). Credit University of Seville 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.