In my office, sitting in front of a computer, I thought someone was behind me moving my chair; no one there!? Then I thought the guy across from me was moving his desk. I was getting a little dizzy. Next, people started running toward the exit. I joined them and then remembered my cardinal rule; never leave the building without your car keys. By then it had stopped. Outside the wires and cables on the poles were bobbing and swaying - cool, an earthquake.