I was working on Crustal Dynamics ( Goddard Laser Tracking system ) from 1982 - 1986, We tracked motions on the order of cm per year(NOTE). At one point, there was a stop in the motion of the California plate, which had been moving at 8 cm/year.

They decided it was too dangerous to evacuate California.


Now, just when were those major quakes in Oakland?


BTW, when I was unemployed, I did NOT take a job in LA...


NOTE: We ( Goddard and U of Texas) also developed high precision Earth Gravity models ( GEM-10, 50 x 50) from our tracking of LAGEOS and a few other cornercube equipt s/c.