Real-time Forecast of Earthquake Hazard in the Next 24 Hours for California
A time-dependent map giving the probability of strong shaking at any location in California within the next 24-hours.

Earthquake Hazards
Hazard information and efforts to identify and mitigate earthquake hazards in Southern California.

Safer Structures, Engineering & Building Codes
Basic information about strong shaking and earthquake engineering. Links to agencies actively studying strong shaking and damages resulting from it, or advancing earthquake engineering, design standards, regulatory provisions, etc (This webpage is on the Northern California Earthquake Hazard Program website.)

Earthquake Preparedness
Basic information on how to prepare for an earthquake. Links to agencies involved in earthquake preparation and response. (This webpage is on the USGS National Earthquake Hazards Program website.)