Once a year in our office, someone walks through the halls ringing an old-fashioned school bell. We immediately stop what we are doing, crawl under our desks and brace ourselves, and wait. A few moments later, one of our earthquake marshals comes by to tell us that it is safe to leave the building, and we carefully make our way down the stairs to the designated meeting spot. After checking the staff list and verifying that everyone made it out “safely,” our marshals let us return to our work. It wasn’t an earthquake—this time.