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Wallace Creek right lateral fault offset

View on map:35.271124°N 119.827118°W

Comments

The San Andreas Fault has offset Wallace Creek.  If you stand in the creek bed on either side of the fault and look toward the fault, the offset of the stream bed will be to the right - hence the term right lateral strike slip fault.  The overlay shows the San Andreas Fault.  The southwest side of the fault is moving northwest relative to the northeast side of the fault.  This has caused the right lateral separation of the creek.   

Description


San Andreas Fault

The San Andreas Fault is a continental transform fault that extends roughly 1300 km (810 miles) through California. It forms the tectonic boundary between the Pacific Plate and the North American Plate, and its motion is right-lateral strike-slip (horizontal). The fault divides into three segments, each with different characteristics and a different degree of earthquake risk, the most significant being the southern segment, which passes within about 35 miles of Los Angeles.

References

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