USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
July 13, 2004, San Simeon, CA Earthquake (posted 08/02/2004)
ML 4.1, 07/13/2004, 23:45 UTC, 07/13/2004, 04:45 PM PDT, 35.730 N, 121.059 W, 6.3 km depth, Regional Network ID# nc40159054
Sta Inst Inst State: City; Recorder Location Owner Lat Lon Dist Az Ch Sensor Orient PGA PGV PSA at:
Code type S/N     deg deg km deg No type deg cm/s/s cm/s 0.3 s 1.0 s 3.0 s
1083 Etna 1429 CA: San Luis Obispo; Rec Center USGS 35.285 -120.661 61.2 144 1 FBA-2g 360 0.8 0.02 0.14 0.013 0.0033
                  2 FBA-2g UP -0.3 0.01 0.07 0.012 0.0047
                  3 FBA-2g 90 0.7 0.02 0.09 0.019 0.0032