Past Earthquakes, Faults & Geology

Past Earthquakes

Maps

Clickable Map of Significant Southern California Earthquakes (SCEC)

Special Studies

The Salton Seismic Imaging Project - Studying Earthquake Hazards and Rifting Processes in the Imperial and Coachella Valleys
M7.1 Hector Mine Earthquake - October 16, 1999
M6.7 Northridge Earthquake - January 17, 1994
M7.3 Landers Earthquake - June 28, 1992
(This webpage is on the Southern California Earthquake Data Center website.)
Great 1857 Fort Tejon Earthquake: The Last "Big One"

Earthquake Catalogs

Lists & Archives
Southern California Earthquakes 1932-present, by year (SCEC)
Chronological Earthquake Index (info on selected significant SCA events, SCEC)

Search
Search for past earthquakes by date, magnitude, location, etc.
Southern California (S. CA Data Center)
Northern California (N. CA Data Center)

Faults

Faults in Southern California (SCEC)

Fault Maps to Download & Print (PDF files)

Faults of Southern California (166 KB)
Faults of the Los Angeles Area (283 KB)

Geology

Southern California Geology & Geologic Maps
Technical resources and general information about southern California geology

Geological Information from the California Geological Survey