Tectonic Plates, Earthquakes, and Volcanoes

©2006 WGBH Educational Foundation. All rights reserved. NASA/Goddard Space Flight Center Scientific Visualization Studio, Smithsonian Institution, Global Change Research Project (GCRP), National Oceanic and Atmosphere Administration (NOAA), United States Geological Survey, National Science Foundation (NSF), Defense Advanced Research Projects Agency (DARPA), Dynamic Media Associates (DMA), New York Film and Animation Company, Silicon Graphics, Inc. (SGI), Hughes STX Corporation.