Still, whether or not moss grows predominantly on the north side of trees depends on where you live. “There is a tendency for moss to grow on the northern side of a tree—in the northern hemisphere,” he says. “In the southern hemisphere mosses would have a tendency to grow on the south, shady, side of trees.”
No, and it is unlikely they will ever be able to predict them. Scientists have tried many different ways of predicting earthquakes, but none have been successful. On any particular fault, scientists know there will be another earthquake sometime in the future, but they have no way of telling when it will happen.