Answer:
The correct answer is - two plates moving past each other.
Step-by-step explanation:
The San Andreas Fault is a boundary or long valley that present at or represent the two different tectonic plates, North America plate meets the Pacific plate.
The origin of this valley is almost 30 million years ago in California. At that time both tectonic plates the Pacific Plate and the North America plate first met and slid past one another to make a boundary called a strike-slip fault. These are cause the biggest earthquakes.