Prelude to something bigger?
NorCal, then Peru...
Is l.a. being bracketed?
Today/tonight is the time of a new moon when the gravitational forces of the moon plus the sun are strongest on the crust of the earth. Thus there is an increased probability of earthquakes during these periods.
with movements of that magnitude on both sides of l.a. Id suspect that there’d be SOME significant movement of the plates in that area shortly.