USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
December 28, 2008, Mexicali, Baja California, Mexico Earthquake (posted 12/29/2008)
Mw 4.2, 12/28/2008, 05:17 UTC, 12/27/2008, 09:17 PM PST, 32.568 N, 115.543 W, 10.0 km depth, Regional Network ID# ci10368325
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
5053 K2 529 CA:Calexico; Fire Station USGS 32.6695 -115.4925 12.2 23 1 FBA-2g 360 42.2 1.66 6.00 1.310 0.0952
                  2 FBA-2g UP -16.2 0.45 1.53 0.167 0.0215
                  3 FBA-2g 90 31.6 0.94 3.48 0.632 0.0583
5058 Etna 2010 CA:El Centro;Array 11, McCabe School USGS 32.752 -115.594 21.0 347 1 EpiSen 90 22.0 1.34 4.32 1.010 0.0677
       ch2 has complex baseline offset           2 EpiSen 360          
                  3 EpiSen UP -6.0 -0.17 0.56 0.209 0.0147
412 K2 589 CA:El Centro;Array 10, Regional Hospital USGS 32.781 -115.568 23.7 354 1 FBA-2g 230 -26.4 -0.96 2.37 0.703 0.0440
                  2 FBA-2g UP -6.3 -0.11 0.43 0.137 0.0105
                  3 FBA-2g 320 -22.5 0.93 2.86 0.556 0.0336
5054 Etna 2052 CA:Bond's Corner; Omlin Residence USGS 32.693 -115.338 23.7 54 1 EpiSen 90 23.5 -0.87 5.14 0.542 0.0393
                  2 EpiSen 360 -22.7 -0.77 5.00 0.466 0.0494
      ch3 sensor response is suspect           3 EpiSen UP          
5055 Etna 2037 CA:Holtville; Post Office USGS 32.811 -115.379 31.1 30 1 EpiSen 90 6.0 -0.37 1.35 0.284 0.0273
                  2 EpiSen 360 3.5 0.25 0.91 0.443 0.0275
                  3 EpiSen UP 3.4 -0.13 0.45 0.073 0.0125
5060 K2 523 CA:Brawley; Airport Hangar USGS 32.9910 -115.5128 47.0 3 1 FBA-2g 360 -2.8 -0.12 0.49 0.182 0.0135
                  2 FBA-2g UP 2.9 0.08 0.16 0.042 0.0053
                  3 FBA-2g 90 -8.4 0.24 0.73 0.166 0.0126