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This is a screen cast of a lecture on Earthquakes, waves, and seismic waves using Geode and the white board.

Source: Tarbuck-Lutgens, EarthScience Prentice Hall

What is an Earthquake? With Geode and Board notes

11 minute video of earthquakes, waves, and seismic waves using the white board and Geode.

Source: Geode: Tarbuck-Lutgens- Prentice Hall