Quake-related information—maps, reports, advice—for Southern California.
Alquist-Priolo Earthquake Fault Zoning Act—A thorough guide to this crucial law affecting property owners all over the state, from the California Geological Survey.
California Earthquakes, 1769 to Present—A table lists all magnitude-6 and larger quakes, from the USGS.
The San Andreas Fault—Home page for maps, pictures and information on the state's biggest fault.
CISN Strong Motion Data Center—A quick source of engineering-related data from the California Integrated Seismic Center.
Southern California Earthquake Hazards—A big, information-packed center from the U.S. Geological Survey's Pasadena office.
Putting Down Roots in Earthquake Country, Southern California—An excellent roundup from the USGS.
Southern California Seismic Hazard Maps—Download them from the state Department of Conservation.
Southern California Earthquake Reports—The US Geological Survey serves all kinds of information here.
