USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
March 17, 2004, San Simeon, CA Aftershock (posted 03/18/2004)
Mw 4.5, 03/17/2004, 23:53 UTC, 03/17/2004, 03:53 PM PST, 35.735 N, 121.075 W, 2.0 km depth, Regional Network ID# nc51139882
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 62.5 143 1 FBA-2g 360 -3.2 -0.1 0.82 0.091 0.0197
                  2 FBA-2g UP -1.3 0.1 0.43 0.082 0.0196
                  3 FBA-2g 90 -2.8 -0.2 0.62 0.113 0.0162