Plate Tectonics is the theory that the earth is covered by continental land masses that are always moving:
- World Plate Tectonic Map

Most of the world is subject to earthquakes and yet they are more likely to occur in some areas than others. For possible risks in your area click on a map below:
- U.S. Seismic Risk Map
- World Seismic Risk Map

Great earthquakes have occurred all over the world, but you will note that most have occurred where you would expect them, near plate boundaries near subduction zones and along fault lines:
- Recent Quake Map

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