A flyover just happened over the boat parade [San Diego]. The original estimate of boats participating was around 50 but we've counted well over 100.
https://twitter.com/mmooreofficial/status/1271888315571003392
>So what's up with the earthquakes?
Invert the global so that you are on the inner surface of the cavity. Then the progression of P-waves and S-waves below the surface of the earth make sense.