USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
October 25, 2004, Gilroy, CA Earthquake (posted 10/26/2004)
ML 3.9, 10/25/2004, 19:55 UTC, 10/25/2004, 12:55 PM PDT, 36.967 N, 121.600 W, 7.9 km depth, Regional Network ID# nc51151992
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
1797 K2 1854 CA: Hollister; Airport building USGS 36.891 -121.404 19.4 116 1 EpiSen 90 -5.51 -0.26 0.72 0.135 0.0111
                  2 EpiSen 360 5.00 -0.27 1.13 0.095 0.0167
                  3 EpiSen UP 7.39 -0.12 0.53 0.054 0.0059
1575 Etna 1404 CA: Hollister; City Hall Annex USGS 36.851 -121.402 21.8 126 1 FBA-2g 360 -4.74 -0.16 0.74 0.217 0.0122
                  2 FBA-2g UP -5.41 0.13 0.44 0.073 0.0067
                  3 FBA-2g 90 7.09 -0.36 1.69 0.167 0.0124