Earthquake California

• Regional: United States: California: Science and Environment 

• Pasadena USGS Office  - Facilitates research and activities focused on reducing earthquake hazards in Southern California.
• Recent Earthquakes in California and Nevada  - Information resource featuring recent earthquake occurrences in the state.
• Southern California Earthquake Data Center  - Presents records of recent and past earthquakes in Southern California.
• USGS - Earthquake Hazard Program - Northern California  - Serves as resource for earthquake preparedness information.
• USGS - Maps of Recent Earthquake Activity in California-Nevada  - Contains a detailed map presenting recent earthquake occurrences in the area.