A particularly vigilant YouTuber by the name of Luke Thomas has been posting semi-weekly earthquake prediction forecasts for the San Francisco, Los Angeles and San Diego areas for a couple of years. As far as we understand it, the field of seismic forecasting falls somewhere between astrology and phrenology in terms of solid proof, but in case you have the tendency to write off Libras and Geminis like we sometimes do, you may want to listen up.