Faults, Past Earthquakes & Geology

Faults

Faults in Southern California
Clickable map of faults and fault information.

Fault Maps to Download & Print (PDF files)

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

Past & Historical Earthquakes

By Region

• Los Angeles || Clickable Map
• California
  
• United States
• World

Maps
(This webpage is on the Southern California Earthquake Data Center website.)

• Clickable Map of Significant Southern California Earthquakes

Earthquake Catalogs

• Lists & Archives
  Southern California Earthquakes 1932-present, by year
  Chronological Earthquake Index (info on selected significant SCA events, SCEC)
  Earthquake in the News Archive
  Southern California Seismicity Reports & Comments Archive
  Special Earthquake Reports Archive
  Earthquake Notification E-mail Archive

• Search
  Search for past earthquakes by date, magnitude, location, etc.
  Southern California
  Northern California
  United States & World
  • NEIC
  • CNS

Special Past Earthquake Studies Online
Northridge, Hector Mine, Landers, etc.

Geology

Southern California Areal Mapping Project (SCAMP)
Technical resources and general information about southern California geology

Crustal Deformation Velocity Map
Map of deformation across southern California.

Map of Epicenters of and Areas Damaged by M>5 California Earthquakes, 1800-1999 (courtesy of CGS)

U.S. Fault Parameters
Data used in USGS 1996 Seismic Hazard maps, by state alphabetical, includes digital fault traces

California Fault Parameters
Data used by CGS for estimating seismic hazard in California, by region and alphabetical (courtesy of CGS)

Fault Model Repository
A collection of ground motion maps and fault models of California earthquakes.

Strong Motion Data
Online resources for strong motion data sets.

***See FAQ for additional California maps.***