USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
January 06, 2005, Fontana, CA Earthquake (posted 01/07/2005; updated 02/04/2005)
Mw 4.2, 01/06/2005, 14:35 UTC, 01/06/2005, 06:35 AM PST, 34.125 N, 117.438 W, 4.2 km depth, Regional Network ID# ci14116972
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
5036 K2 580 CA: San Bernardino; Sycamore Fire Sta USGS 34.193 -117.427 7.6 8 1 FBA-2g 360 31.8 -0.77 3.01 0.173 0.0275
                  2 FBA-2g UP 21.9 0.40 1.31 0.157 0.0168
                  3 FBA-2g 90 -29.0 0.85 2.67 0.215 0.0254
5330 Etna 1979 CA: San Bernardino; Fire Station 9 USGS 34.103 -117.349 8.6 107 1 EpiSen 90 -27.2 1.02 6.77 0.489 0.0591
                  2 EpiSen 360 -57.4 2.30 13.30 1.020 0.1160
                  3 EpiSen UP -66.1 1.48 5.66 0.397 0.0386
5371 Etna 1995 CA: San Bernardino; Verdemont School USGS 34.205 -117.365 11.1 37 1 EpiSen 90 -57.3 1.41 7.39 0.736 0.0838
                  2 EpiSen 360 -42.8 -1.46 7.89 0.377 0.0434
                  3 EpiSen UP -17.9 -0.39 1.87 0.208 0.0117
5265 K2 514 CA: Devore; Devore Water Company USGS 34.235 -117.407 12.5 13 1 FBA-2g 360 -10.2 0.39 2.40 0.201 0.0206
                  2 FBA-2g UP -12.1 -0.27 1.59 0.196 0.0095
                  3 FBA-2g 90 -23.3 1.15 4.05 0.435 0.0508
5409 K2 588 CA: Lytle Creek; Fire Station USGS 34.233 -117.482 12.6 341 1 FBA-2g 360 22.4 -0.60 3.57 0.240 0.0227
                  2 FBA-2g UP -32.5 -0.37 1.48 0.124 0.0090
                  3 FBA-2g 90 -17.2 -0.38 1.84 0.233 0.0250
5337 Etna 2583 CA: San Bernardino; Fire Station 4 USGS 34.140 -117.294 13.4 83 1 EpiSen 90 -16.4 -0.63 3.55 0.461 0.0367
                  2 EpiSen 360 -12.3 -0.43 2.86 0.369 0.0275
                  3 EpiSen UP -29.0 0.85 3.24 0.307 0.0222
5245     CA: San Bernardino; County Services Ctr USGS 34.1065 -117.2885 13.9 98                
  K2 1578 2nd floor, NW           1 FBA-1g 360 -13.0 -0.97 2.36 0.549 0.0438
      2nd floor, NE           2 FBA-1g 90 15.7 0.75 1.73 0.498 0.0364
      2nd floor, NE           3 FBA-1g 360 13.6 -1.02 2.24 0.234 0.0149
      2nd floor, SW           4 FBA-1g 90 10.8 -0.68 3.04 0.996 0.0826
      4th floor, NW           5 FBA-1g 360 22.1 1.83 4.33 0.946 0.0570
      4th floor, SW           6 FBA-1g 90 -16.1 -1.33 3.54 0.977 0.0856
      6th level, roof, NE           7 FBA-1g 90 26.1 2.20 4.19 0.900 0.0618
      6th level, roof, NW           8 FBA-1g 360 41.2 -2.88 3.52 1.460 0.1180
      6th level, roof, SW           9 FBA-1g 90 -26.3 -2.66 4.51 2.320 0.1100
      6th level, roof, NE           10 FBA-1g 360 17.1 -1.31 8.73 2.910 0.1310
      4th floor, NE           11 FBA-1g 90 -16.3 1.32 8.96 2.020 0.1530
      4th floor, NE **           12 FBA-1g 360 23.6 1.80 7.28 3.380 0.1490
  Etna 1980 Basement, SW           1 EpiSen 360 -12.4 -0.70 4.65 0.998 0.0718
      Basement, SW           2 EpiSen 270 -10.4 0.54 4.20 2.180 0.1000
      Basement, SW           3 EpiSen UP 9.0 0.23 4.15 1.550 0.1110
5373 Etna 2013 CA: San Bernardino; Lincoln School USGS 34.123 -117.287 13.9 91 1 EpiSen 90 -10.6 -0.60 2.36 0.549 0.0438
                  2 EpiSen 360 -6.6 0.39 1.73 0.498 0.0364
                  3 EpiSen UP -15.2 -0.57 2.24 0.234 0.0149
5339 K2 584 CA: San Bernardino; Fire Station 10 USGS 34.091 -117.289 14.3 105 1 FBA-2g 180 20.2 -1.16 5.63 0.875 0.1130
                  2 FBA-2g UP -21.2 0.48 1.44 0.276 0.0217
                  3 FBA-2g 270 -35.9 -1.55 10.80 0.547 0.0542
5341 Etna 1983 CA: Colton; Kaiser Medical Clinic USGS 34.058 -117.305 14.3 121 1 EpiSen 90 19.6 -0.71 3.90 0.479 0.0400
                  2 EpiSen 360 29.0 1.20 5.87 0.318 0.0594
                  3 EpiSen UP -15.5 -0.45 2.21 0.341 0.0195
5327 K2 536 CA: San Bernardino;  Fire Station 7 USGS 34.165 -117.288 14.5 72 1 FBA-2g 360 17.7 -0.52 2.56 0.341 0.0237
                  2 FBA-2g UP -13.9 -0.35 2.29 0.081 0.0124
                  3 FBA-2g 90 20.5 -0.81 1.94 0.247 0.0200
5329 K2 548 CA: San Bernardino; Fire Station 11 USGS 34.069 -117.275 16.3 112 1 FBA-2g 180 -64.1 3.30 18.30 0.956 0.0940
                  2 FBA-2g UP -12.4 0.40 2.69 0.258 0.0228
                  3 FBA-2g 270 -32.6 1.66 7.87 1.170 0.0743
5328 K2 599 CA: San Bernardino; Montecito Mem Pk USGS 34.047 -117.277 17.2 120 1 FBA-2g 360 17.7 -0.78 5.68 0.307 0.0498
                  2 FBA-2g UP -17.3 0.41 3.80 0.210 0.0222
                  3 FBA-2g 90 -13.7 -0.54 4.73 0.313 0.0323
5331 Etna 2008 CA: San Bernardino; Del Rosa Wk Sta USGS 34.1663 -117.2512 17.8 75 1 EpiSen 111 -9.9 -0.28 2.33 0.149 0.0085
                  2 EpiSen 21 9.4 0.28 1.19 0.129 0.0092
                  3 EpiSen UP -6.2 0.13 0.71 0.065 0.0099
129 Etna 1989 CA: Loma Linda; Univ Medical Center USGS 34.050 -117.264 18.1 117 1 EpiSen 90 10.2 -0.45 3.06 0.361 0.0409
                  2 EpiSen 360 -18.6 0.90 3.64 0.428 0.0392
                  3 EpiSen UP -9.2 -0.34 1.70 0.216 0.0232
5229 Etna 4019 CA: Loma Linda VA Hospital USGS 34.0507 -117.2508 19.1 115 1 EpiSen 90 10.1 -0.66 2.39 0.499 0.0431
                  2 EpiSen 360 -14.6 0.77 3.50 0.374 0.0444
                  3 EpiSen UP 5.8 -0.23 1.54 0.199 0.0143
5336 Etna 2009 CA: San Bernardino; Serrano School USGS 34.145 -117.219 20.3 84 1 EpiSen 90 -6.4 0.27 1.44 0.162 0.0129
                  2 EpiSen 360 8.0 0.23 1.26 0.199 0.0097
                  3 EpiSen UP -5.3 0.17 1.10 0.066 0.0096
5161 Etna 1982 CA: Highland; Fire Sation 8 USGS 34.136 -117.213 20.8 87 1 EpiSen 90 -6.1 0.19 1.02 0.211 0.0119
                  2 EpiSen 360 -5.1 0.19 0.98 0.130 0.0090
                  3 EpiSen UP 3.5 -0.15 0.66 0.079 0.0084
5037 K2 551 CA: Reche Canyon; Olive Dell Ranch USGS 34.004 -117.223 24.0 124 1 FBA-2g 360 * * * * *
                  2 FBA-2g UP * * * * *
                  3 FBA-2g 90 * * * * *
5162 Etna 1417 CA: Mentone; Fire Station 9 USGS 34.067 -117.117 30.3 102 1 FBA-2g 180 -8.8 0.49 2.69 0.352 0.0144
                  2 FBA-2g UP -5.4 0.26 0.78 0.125 0.0113
                  3 FBA-2g 270 -6.8 -0.44 1.84 0.187 0.0114
5282 K2 513 CA: Wrightwood; Post Office USGS 34.360 -117.628 31.4 326 1 FBA-2g 180 -14.1 -0.39 2.00 0.087 0.0074
                  2 FBA-2g UP 6.6 0.14 0.65 0.047 0.0047
                  3 FBA-2g 270 11.3 0.28 0.78 0.092 0.0114
5032 Etna 2024 CA: Paradise Springs; Camp Office USGS 34.3962 -117.807 45.4 312 1 EpiSen 90 6.4 -0.13 0.39 0.034 0.0027
                  2 EpiSen 360 -5.5 -0.12 0.33 0.026 0.0029
                  3 EpiSen UP -2.3 -0.06 0.24 0.023 0.0032
5031 K2 521 CA: Valyermo; Forest-Fire Station USGS 34.4435 -117.8526 52.0 313 1 FBA-2g 360 -4.3 0.11 0.44 0.072 0.0052
                  2 FBA-2g UP -3.3 0.09 0.38 0.064 0.0035
                  3 FBA-2g 90 -5.6 0.19 0.88 0.134 0.0063
* baseline offset problem
** High relative noise levels below 0.3 Hz and above 20 Hz
Lo-cut filter corner differs from other array channels