Pinnacles, California Offset by San Andreas Fault
Pinnacles, California Offset by San Andreas Fault. The present-day location of The Pinnacles is 195 mi (314 km) from the volcano that the San Andreas sliced it from. We know these volcanic rocks are 23 million years old. That means the San Andreas fault has moved 0.59 in/yr (1.5 cm/yr) over the last 23 million years.