text:  The theory that I talk about is that the fault lines, the relatively shallow fault lines are where the water collects and increases the pressure. Okay. But it has very little to do with the plate movements, which are thousands of miles across. Okay, I've got you. Quick shift. I cannot not ask you about the swarming of quakes at Mammoth. Oh, boy. Yes. And they seem to come in waves, don't they? Yes.