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 Program, NOAA
 
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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