The Battle Creek Fault Zone is a system of closely parallel faults that run between the

Coast Ranges The Pacific Coast Ranges (officially gazetted as the Pacific Mountain System in the United States) are the series of mountain ranges that stretch along the West Coast of North America from Alaska south to Northern and Central Mexico. Although the ...

near the town of Cottonwood to the west, extending northeast about 22 miles toward the southern slopes of Mt. Lassen. The faulting action is normal (vertical motion) with terrain to the south lower than terrain to the north. Although there have been no earthquakes in historic times, it is believed that the fault zone may still be active, and has been determined to be the closest active and possibly hazardous fault to the

Shasta Dam Shasta Dam (called Kennett Dam before its construction) is a concrete arch-gravity dam across the Sacramento River in Northern California in the United States. At high, it is the eighth-tallest dam in the United States. Located at the north e ...

. The fault zone is unusual in comparison to all other faults in Northern California due to its nearly east-west alignment.

References

North-of-the-Delta Offstream Storage Investigation (NODOS), Appendix (2000?), California Department of Water Resources
{{reflist Seismic faults of California Geography of Shasta County, California