This set of interactive online simulations shows the forces that may be at work on geologic structures or on man-made structures during an earthquake. Users can see examples of compression, tension, bending, and torsion....

This page presents vital statistics, summary of effects, and discussion of our meager knowledge about the location of the epicenter for the Great Fort Tejon, California, earthquake of 1857.

The Pacific Northwest Geodetic Array (PANGA), an organization devoted to the study of earthquakes and crustal deformation along the Cascadia subduction zone, provides information on the organization's facilities,...

Guidelines for evaluating liquefaction hazards in Nevada and when to perform analysis. Contains information on screening investigations for liquefaction potential, information on how to evaluate liquefaction potential...

This site, provided by the Southern California Earthquake Center, provides detailed information about the location and size of the Hector Mine earthquake of October 17, 1999.