GEOLOGY

Detailed explanation-1: -The transform plate boundary between the Pacific and North American Plates in western California formed fairly recently.

Detailed explanation-2: -The 1, 200-kilometer-long San Andreas fault zone is part of the boundary between the Pacific and North American plates, and thus is known as a transform fault.

Detailed explanation-3: -strike-slip fault-a fault on which the two blocks slide past one another. The San Andreas Fault is an example of a right lateral fault.

Detailed explanation-4: -The San Andreas Fault is a transform fault.

Detailed explanation-5: -The San Andreas fault system is a 1300-km-long transform boundary that accommodates motion between the North American and Pacific Plates.