Earthquake in Sumatra (IMAGE) California Institute of Technology Caption This image shows the Sumatra region, with the Dec. 26, 2004 earthquake epicenter marked and the depth of the subducting plate shown with colored lines. Credit Caltech Usage Restrictions With credit 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.