the san andreas fault in california stretches over 800 miles and is responsible for many of the earthquakes that happen in california. what kind of a plate boundry is the san andreas fault? The San Andreas Fault is a continental transform fault that extends roughly 1,200 kilometers (800 mi) 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).
