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WILL KEMPTON, DIRECTOR
WILL KEMPTON, DIRECTOR
SUNNE WRIGHT McPEAK, SECRETARY
DIVISON OF ENGINEERING SERVICES
ROBERT BUCKLEY, CHIEF
MICHAEL KEEVER, CHIEF

Revised: 03/15/06
Errata A new map is in process, please note these changes, which are NOT incorporated in the existing map. For additional
information call Martha Merriam at (916) 227-7135.
1. Forest Hill-Melones (FHM) fault is no longer used.
2. Gillis Mountain (GMT) fault is no longer used.
3. Three letter code for Southampton is STT (not SHP).
4. West Napa (WNP) fault is wrongly coded in the map as MNA.
5. The bifurcated northeastern section of the Pisgah-Bullion fault that ruptured during the October 16, 1999 Hector Mine
earthquake in San Bernardino County is currently under investigation by the Office of Earthquake Engineering.
6. Three-letter code for the southern branch of the San Andreas is SAS (not SAE), and its MCE moment magnitude is 7-3/4
(wrongly labeled as 6 in the map).
7. Another three-letter code (SAE) with MCE moment magnitude 6 for the southern segment of central San Andreas (SAC) is no
longer used as a separate fault; it is part of SAC with MCE moment magnitude 8.
8. For accurate locations of the Santa Maria-Foxen Canyon (SMF) and Oceano (OCO) faults in the San Luis Obispo region,
contact John Duffy at john_d_duffy@dot.ca.gov
9. An unnamed fault near Shasta Dam in Shasta County is currently under investigation by the Office of Earthquake Engineering.
10. The San Joaquin Hills fault in Orange County is currently under investigation by the Office of Earthquake Engineering.
11. The Puente Hills Fault in Los Angeles is currently under investigation by the Office of Earthquake Engineering. (03/15/06)
12. The Pacific Star Fault near Fort Bragg is currently under investigation by the Office of Earthquake Engineering (5/8/06).