 But just the quakes themselves aren't enough to really alarm anyone. It's that the ground begins to swell and the heat begins to build. And the earthquake foci, the center where the earthquakes begin, gets progressively shallower. Now, I don't know a lot about what you're talking about, but I know that if the ground began to swell, that's really bad. Yeah. Really bad. And it was doing that 10 years ago, I guess 19...