Related Faults
The West Napa Fault in Napa County is believed to be a continuation of the Calaveras Fault north of the Carquinez Strait. Between the faults lies an area of minor faults aligned en echelon known as the Contra Costa Shear Zone.
The minor Concord Fault lies to the east of the Calaveras Fault, and small earthquakes occur in the gap between faults, mostly in the vicinity of Alamo, California, relieving stresses generated by the displacement between the two faults. Stresses are also produced by offset and converging slip-strike motions between the Calaveras and Clayton-Marsh Creek-Greenville Fault that continue to elevate Mount Diablo. The compressive pressure is manifest in a significant thrust fault nearby on the western slope of the mountain, the Mount Diablo Thrust Fault, the most active of its kind in the region and which is also capable of producing significant local earthquakes affecting the Alamo-Danville area.
Read more about this topic: Calaveras Fault
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