From WNET and PBS Online, The Savage Earth Online contains articles and animations of what's involved in an earthquake.
Ring of Fire map from WNET and PBS online, "Savage Earth"
The Great 1906 San Francisco Earthquake is brought to life at the Virtual Museum of the City of San Francisco
After you've studied all you can about earthquakes, take the Earthquake Quiz
Here is the place to see a real fault, plus many other earthquake photos. Earthquake Photos