Sandwell Map (IMAGE) Office of Naval Research Caption A version of Dr. David Sandwell's sea floor map reveals details about earthquakes (red dots), sea floor-spreading ridges and faults. For creating the most comprehensive global map of the ocean floor, with support from the Office of Naval Research, Sandwell received the Charles A. Whitten Medal, sponsored by the American Geophysical Union. Credit (Photo credit: Dr. David Sandwell, Scripps Institution of Oceanography, UC San Diego) 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.