USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
March 11, 2004, San Simeon, CA Aftershock (posted 03/18/2004)
ML 3.9, 03/11/2004, 07:00 UTC, 03/10/2004, 11:00 PM PST, 35.713 N, 121.153 W, 3.9 km depth, Regional Network ID# nc40154455
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 65.2 137 1 FBA-2g 360 0.9 -0.04 0.20 0.023 0.0012
                  2 FBA-2g UP -0.5 0.02 0.11 0.012 0.0007
                  3 FBA-2g 90 -1.0 -0.04 0.17 0.026 0.0011