This resource describes the two different types of seismic waves and how they travel through the earth, offers diagrams of the waves, their speeds, and how seismograms are used to locate earthquakes.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about types of seismic waves. Includes a few questions to check for understanding.

Basic definitions and characteristics of the different wave types, diagrams, and speeds of the waves. Has links to information on seismology, earthquakes, and plate tectonics.

An informative site that explains how and where earthquakes occur and the different types of faults. Contains maps and charts of fault lines, plate edges, and the continental plates. There are other links within the site of related...