California Earthquake Information

Recent California earthquakes (entire state)

24-hour Aftershock Forecast Map

Southern California

Recent Los Angeles area earthquakes

Southern California Earthquake Data Center

USGS Pasadena (Southern California)

Did you feel it?

ShakeMaps

Updated Earthquake Commentary

Southern California Seismic Network

Earthquake Research Affiliates

Historical Earthquakes in Southern California

Clickable Fault Map of Southern California

Northern California

Recent Bay Area earthquakes

Recent Long Valley earthquakes

UC Berkeley Seismological Laboratory

USGS Menlo Park (Northern Califonia)

Did you feel it?

ShakeMaps

Worldwide Earthquake Information (including other U.S. states)

USGS Worldwide Earthquake Information by Region
(Clickable world map for recent earthquakes by region)

USGS Worldwide Near Real Time Earthquake List
(Global list and links to maps of larger recent earthquakes)

USGS Earthquake Hazards Program