Correct information about possible aftershocks was being conveyed inaccurately, or someone at Homeland Security was getting truly bad information and relaying it. Either way, it was a problem. An earthquake conspiracy theory forum was—or perhaps several of them were—clearly pushing out false and misleading information about what was going to happen next. Earthquake conspiracy theorists aren’t a huge group, but they do exist and have an immense amount of sway over their dedicated fans. They would say they are rogue scientists, unfairly reviled by their more mainstream colleagues for having mastered prediction, the ultimate goal of seismology. They say they’re...