 They were arguing about the time of death of the victim rather than the time of the attack. The death is sort of random, sometimes drags out for months. But the attack time is what was critical, and they were analyzing the wrong end of the situation. And he had a chapter there about the Earth and the geophysical environment. Some articles about the quakes. Here's something that relates directly to the moon. When the astronauts landed on the moon, about the first three times, they put seismographs there.