IRIS - What are the 4 basic classes of faults?
http://www.iris.edu/hq/programs/education_and_outreach/animations/2
This narrated animation from IRIS describes the 4 basic classes of faults.
This resource is referenced here:
Earth and Mind:Posts: Data-Driven versus Concept-Driven Animations
DIG Texas Blueprints:Unit Collection: The Dynamic Earth: Plate Tectonic Processes
