Animation of tectonic plat movement (VIDEO) University of Sydney This video is under embargo. Please login to access this video. Caption Animation of tectonic plate movement and incidence of volcanoes over past 120 million years. Blue shading shows subducted material from the Pacific plate under the Australian plate. Credit The University of Sydney Usage Restrictions For this story only 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.