USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
June 8, 2009, Danville, California Earthquake (posted 06/15/2009)
Mw 3.5, 06/08/2009, 22:15 UTC, 06/08/2009, 03:15 PM PDT, 37.822 N, 121.964 W, 8.9 km depth, Regional Network ID# nc40237825
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
1690 ETNA 3991 CA:Danville; Fire Station 31 USGS 37.8094 -121.9929 2.9 241 1 EpiSen 90 -11.2 0.6 3.02 0.576 0.0275
      ch 2 bad sensor           2 EpiSen 360          
                  3 EpiSen UP -8.0 -0.3 2.71 0.136 0.0137