This Dynamic Earth
http://pubs.usgs.gov/gip/dynamic/dynamic.html
Learn about Earth on this site which is a hypertext version of a U.S. Geological Survey print publication about plate tectonics, complete with images and clear diagrams. You can view the planet Earth from the Apollo spacecraft. See the Red Sea, which separates Saudi Arabia from the continent of Africa, and more. You can download a Portable Document Format version of This Dynamic Earth on the site. At the bottom of the home page, there is a link to This Dynamic Planet, the map showing the Earth’s physiographic features, current plate movements, and locations of volcanoes, earthquakes, and impact craters.



