Learn more about Earthquakes

Museum of the City of San Francisco
Many eyewitness accounts and photos of the 1906 disaster.
ABAG Shaking Intensity Maps and Information
Association of Bay Area Governments - Earthquake hazard maps by city.
Northern California Earthquake Data Center
Archive and distribution center for seismological and geodetic data for Northern and Central California.
KQED blog postings about earthquakes
See also: San Andreas Fault Trail interactive guide.
UC Berkeley Seismographic Station Home Page
Make your own seismogram, resources for teachers, references, and much more...
Historical Seismicity in the San Francisco Bay Area
List of historic earthquakes in the San Francisco Bay region, from U.C. Berkeley Seismographic Station.
Bay Area Earthquake Alliance - Preparedness
San Francisco Bay Area preparedness information.
Latenight Musings of an Earthquake Seismologist
Commentary about the experience of living with earthquake risk.