The structural forces affecting the deformation, uplift, and movement of the earth's crust.
- The Earth's crust [More info]
- Information on the Earth's crust with a contour map of the thickness plus links to a global crustal database, a global crustal model - CRUST 5.1, and regional crustal models.
- The great 1906 earthquake, 100 years later [More info]
- Annotated list of resources about the great earthquake of 1906, which caused significant devastation in and around San Francisco, California, compiled for the 100th anniversary of the disaster.