At the most extreme points of its perceptibility along the coast, it was felt between intensity I and III (Not felt – Weak) at San Luis Obispo in the north and San Diego in the south. Inland, it was felt at McFarland in the central valley and Cantil in the western Mojave Desert, and to the southeast in Palm Springs.[5]
^Coffman, J. L.; von Hake, C. A.; Spence, W.; Carver, D. L.; Covington, P. A.; Gunthy, G. J.; Irby, W. L.; Person, W. J.; Stover, C. W. (1984), "United States earthquakes, 1973", Joint Annual Report National Oceanic and Atmospheric Administration, Open-File Report 84-973: 27–33, Bibcode:1975noaa.rept.....C