What is the Problem?
Understanding Plate Tectonics
What are tectonic plates?
What are faults?
What relationships do tectonic plates and faults have with earthquakes? What is the Richter scale? What do the numbers on the Richter scale mean? What is the difference between P waves and S waves?
What are Love and Rayleigh waves, and why are they more destructive than P and S waves?
What is the relationship between soil type and susceptibility to damage from an earthquake?