 So as to the where and how big, you rely upon the local effects. We know what the tides are going to be years ahead of time. So then as we approach those critical periods, we should look at the animals, the water levels. You know, your water well may turn artesian just before a quake. Really? It may change its temperature. Yeah. Changes water quality. Smell like rotten eggs. Get turbid. You know, I had a fellow years ago who called my show who used to measure...