Web Sources
Marine Geology and Geophysics Division, National Geophysical Data Center (NGDC)
Ocean Drilling Program, Texas A&M University
This Dynamic Earth: The Story of Plate Tectonics, USGS
Tectonic Plate Motion
VENTS Video Clips, NOAA
Vents Geology Program, NOAA
Earthquakes and Plate Tectonics
Plates of the World, Southern Arizona Seismic Observatory (SASO), University of Arizona
NE Pacific Seafloor Data and Images
Digital Isochrons of the World's Ocean Floor

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