Seismicity Map of California

Earthquake History of California

Largest Earthquakes in California:

Fort Tejon 01/09/1857 7.9

San Francisco 04/18/1906 7.7

Last Earthquake in California
from the NEIC Near-Real-Time Earthquake Bulletin

Quaternary Fault and Fold Information for California

Seismic Hazard Map of California

Did You Feel It?
Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.

NEIC Maps

Earthquakes in California and Nevada

Major Earthquakes and Faults Zones of California

Earthquake Damage in Greater Los Angeles

USGS Geologic Information about California

USGS Fact Sheets for California

USGS National Seismic Hazard Mapping Project
Current information about the rate at which earthquakes occur in different areas, and on how far strong shaking extends from the earthquake source.

California Geological Survey

Earthquakes

California State Geologist

USGS Menlo Park

Recent Earthquakes in California and Nevada

USGS Pasadena Field Office

University of California Berkeley Seismological Laboratory

UC Berkeley Northern California Earthquake Data Center

Southern California Earthquake Center

Large Earthquakes in California

Owens Valley March 26 1872 7.6

Imperial Valley February 24 1892 7.8

Long Beach March 11 1933 6.4

Kern County July 21 1952 7.3

Lompoc November 4 1927 7.1

San Fernando February 9 1971 6.7

Santa Cruz Mountains (Loma Prieta) October 18 1989 UTC (October 17 1989 local) 6.9

Northridge January 17 1994 6.7

Hector Mine October 16 1999 7.2

San Andreas Fault Links

Faults of Southern California

Parkfield

The Parkfield, California Earthquake Experiment

Parkfield Regional Earthquake Map