Causes of Sudden Pole Shifting

Q: Scientists have found evidence that the Earth might have flipped over in the past, completely shifting the orientation of its poles. The theory has been around for years that a large mountain range or supervolcano might unbalance the spinning Earth. The theory, known as true polar wander, postulates that if an object of sufficient weight ever formed far from the equator, the force of the planet’s rotation would gradually pull the heavy object away from the Earth’s axis. Could this have really happened? A: Yes. It happened millions of years ago, when man replaced dinosaurs and more recently when…