Want to learn more about earthquakes?
The Science of Earthquakes explains what earthquakes are, what causes them, and where they occur. There are many other links on the USGS (United States Geological Survey) web site to provide further information.
IRIS, the Incorporated Research Institutions for Seismology has many great educational articles about earthquake science. IRIS also has a YouTube channel with animations, webinars, and short lectures on seismology.