What happens is that one plate gets forced down, or subducted, underneath the other. | |
For many millions of years prior to the existence of the San Andreas Fault, the Pacific Plate was subducting beneath North America, the oceanic plate was diving down, and, uh, that process went on for well over a hundred million years, | |
What happens is that one plate gets forced down, or subducted, underneath the other. | |
For many millions of years prior to the existence of the San Andreas Fault, the Pacific Plate was subducting beneath North America, the oceanic plate was diving down, and, uh, that process went on for well over a hundred million years, | |