| USGS National-Strong Motion Program | |||||||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for | |||||||||||||||||
| July 20, 2007, Oakland, California Earthquake (posted 07/20/2007) | |||||||||||||||||
| Mw 4.2, 07/20/2007, 11:42 UTC, 07/20/2007, 04:42 AM PDT, 37.807 N, 122.188 W, 5.8 km depth, Regional Network ID# nc40199209 | |||||||||||||||||
| 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 | |||
| 1856 | K2 | 1950 | CA: Oakland; Fire Station 16 | USGS | 37.8028 | -122.2303 | 3.8 | 263 | 1 | EpiSen | 90 | -44.0 | -2.06 | 13.50 | 2.20 | 0.109 | |
| 2 | EpiSen | 360 | -37.7 | 2.94 | 6.90 | 3.69 | 0.218 | ||||||||||
| 3 | EpiSen | UP | 31.3 | 0.81 | 4.09 | 0.56 | 0.054 | ||||||||||
| 1854 | K2 | 2190 | CA: Oakland; Oakland FS 29 | USGS | 37.7590 | -122.1976 | 5.4 | 189 | 1 | EpiSen | 90 | 26.9 | 0.90 | 5.85 | 0.49 | 0.044 | |
| 2 | EpiSen | 360 | 22.8 | -0.89 | 4.28 | 0.40 | 0.144 | ||||||||||
| 3 | EpiSen | UP | -18.5 | -0.53 | 1.33 | 0.39 | 0.030 | ||||||||||
| 1755 | K2 | 598 | CA: Alameda; Fire Station 1 | USGS | 37.763 | -122.244 | 6.9 | 225 | 1 | FBA-2g | 360 | -12.5 | 0.68 | 1.99 | 0.66 | 0.097 | |
| 2 | FBA-2g | UP | 7.1 | -0.18 | 1.27 | 0.34 | 0.018 | ||||||||||
| 3 | FBA-2g | 90 | 17.1 | -1.00 | 3.05 | 1.36 | 0.147 | ||||||||||
| 1756 | K2 | 609 | CA: Oakland Airport; Alameda FS 4 | USGS | 37.738 | -122.253 | 9.6 | 217 | 1 | FBA-2g | 180 | 28.3 | -1.05 | 3.06 | 0.55 | 0.074 | |
| 2 | FBA-2g | UP | 7.1 | 0.16 | 0.71 | 0.24 | 0.027 | ||||||||||
| 3 | FBA-2g | 270 | -19.8 | 1.23 | 3.62 | 0.82 | 0.188 | ||||||||||
| 1103 | MtWh | 190 | CA: Berkeley; Great Western Savings | USGS | 37.8700 | -122.2688 | 10.0 | 315 | |||||||||
| Basement, west side | 1 | FBA-23 | 261 | -61.0 | 2.78 | 13.70 | 0.99 | 0.114 | |||||||||
| Basement, west side | 2 | FBA-23 | UP | -21.8 | -0.75 | 5.75 | 0.30 | 0.016 | |||||||||
| Basement, west side | 3 | FBA-23 | 351 | 37.6 | -1.26 | 7.04 | 0.43 | 0.056 | |||||||||
| Basement, east side | 4 | FBA-23 | 261 | -61.5 | 2.75 | 14.00 | 0.97 | 0.113 | |||||||||
| Basement, east side | 5 | FBA-23 | UP | 19.6 | -0.70 | 4.06 | 0.28 | 0.017 | |||||||||
| Basement, east side | 6 | FBA-23 | 351 | -37.5 | -1.27 | 6.41 | 0.35 | 0.046 | |||||||||
| 4th floor, west core | 7 | FBA-11 | 81 | -73.1 | 3.10 | 18.90 | 1.02 | 0.119 | |||||||||
| 4th floor, west core | 8 | FBA-11 | 171 | -53.3 | 1.69 | 8.29 | 0.56 | 0.046 | |||||||||
| 4th floor, east core, bad sensor | 9 | ||||||||||||||||
| OUT, no sensor | 10 | ||||||||||||||||
| OUT, no sensor | 11 | ||||||||||||||||
| Roof, west core | 12 | FBA-11 | 171 | -66.5 | 2.98 | 9.25 | 2.80 | 0.173 | |||||||||
| Roof, east core | 13 | FBA-11 | 171 | -57.6 | 2.56 | 9.17 | 2.09 | 0.126 | |||||||||
| Roof, east core | 14 | FBA-11 | 261 | -78.3 | 4.41 | 18.10 | 5.02 | 0.166 | |||||||||
| Roof, center of bldg | 15 | FBA-11 | 171 | -59.1 | -2.64 | 9.05 | 2.40 | 0.148 | |||||||||
| Roof, SW corner | 16 | FBA-11 | 81 | -77.6 | -4.58 | 19.30 | 5.05 | 0.168 | |||||||||
| Roof, SW corner | 17 | FBA-11 | 171 | -88.7 | 3.47 | 11.80 | 3.16 | 0.197 | |||||||||
| Roof, west core | 18 | FBA-11 | 81 | -76.5 | -4.62 | 18.20 | 5.03 | 0.158 | |||||||||
| 1822 | K2 | 1958 | CA: Richmond; Pt Isabel; WWT Fac | USGS | 37.8966 | -122.3220 | 15.4 | 310 | 1 | EpiSen | 90 | 14.1 | -0.36 | 2.14 | 0.20 | 0.019 | |
| 2 | EpiSen | 360 | -21.6 | -0.47 | 1.74 | 0.15 | 0.015 | ||||||||||
| 3 | EpiSen | UP | 9.6 | 0.36 | 2.21 | 0.14 | 0.015 | ||||||||||
| 1691 | K2 | 3992 | CA: Pleasant Hill; Fire Station 2 | USGS | 37.927 | -122.078 | 16.5 | 36 | 1 | EpiSen | 90 | -12.1 | -0.60 | 2.70 | 0.53 | 0.084 | |
| 2 | EpiSen | 360 | 6.8 | -0.51 | 1.79 | 0.78 | 0.103 | ||||||||||
| 3 | EpiSen | UP | 3.1 | 0.25 | 1.11 | 0.50 | 0.043 | ||||||||||
| 1675 | K2 | 441 | CA: SF; FS 17, Hunters Point | USGS | 37.728 | -122.385 | 19.4 | 243 | 1 | FBA-2g | 50 | 4.7 | 0.16 | 0.37 | 0.09 | 0.013 | |
| 2 | FBA-2g | UP | 2.7 | 0.06 | 0.19 | 0.07 | 0.009 | ||||||||||
| 3 | FBA-2g | 140 | -6.2 | -0.21 | 0.95 | 0.15 | 0.015 | ||||||||||
| 1676 | K2 | 600 | CA: SF; FS 41; Russian Hill | USGS | 37.791 | -122.415 | 20.1 | 265 | 1 | FBA-2g | 360 | -9.0 | 0.29 | 0.98 | 0.18 | 0.011 | |
| 2 | FBA-2g | UP | -3.3 | 0.13 | 0.34 | 0.12 | 0.016 | ||||||||||
| 3 | FBA-2g | 90 | -10.6 | -0.22 | 0.56 | 0.08 | 0.017 | ||||||||||
| 1741 | K2 | 433 | CA: San Francisco; Marina School | USGS | 37.8037 | -122.4437 | 22.5 | 269 | 1 | FBA-2g | 360 | 7.1 | -0.40 | 2.18 | 0.61 | 0.027 | |
| 2 | FBA-2g | UP | -9.6 | 0.36 | 0.80 | 0.30 | 0.019 | ||||||||||
| 3 | FBA-2g | 90 | -5.4 | 0.37 | 1.80 | 0.74 | 0.032 | ||||||||||
| 1722 | Etna | 2608 | CA: Richmond; Rod and Gun Club | USGS | 37.978 | -122.366 | 24.6 | 321 | 1 | EpiSen | 360 | -6.6 | -0.35 | 2.00 | 0.39 | 0.020 | |
| 2 | EpiSen | 270 | 7.2 | -0.30 | 1.54 | 0.51 | 0.024 | ||||||||||
| 3 | EpiSen | UP | -5.4 | 0.13 | 0.81 | 0.23 | 0.010 | ||||||||||
| 1749 | Etna | 2014 | CA: Richmond; Point Molate | USGS | 37.950 | -122.417 | 25.6 | 308 | 1 | EpiSen | 180 | -16.9 | 0.46 | 1.19 | 0.14 | 0.013 | |
| 2 | EpiSen | 90 | -26.2 | -0.65 | 1.73 | 0.12 | 0.014 | ||||||||||
| 3 | EpiSen | UP | -11.0 | 0.24 | 0.79 | 0.06 | 0.010 | ||||||||||
| 1759 | K2 | 3964 | CA: Vallejo;Fire Station 1 | USGS | 38.1077 | -122.2562 | 33.9 | 350 | 1 | EpiSen | 90 | -10.2 | 0.58 | 2.08 | 0.39 | 0.044 | |
| 2 | EpiSen | 360 | -6.5 | -0.50 | 2.03 | 0.28 | 0.020 | ||||||||||
| 3 | EpiSen | UP | -2.2 | -0.09 | 0.58 | 0.14 | 0.011 | ||||||||||
| 1765 | Etna | 2016 | CA: Napa; Fire Station 3 | USGS | 38.330 | -122.318 | 59.2 | 349 | 1 | EpiSen | 90 | -1.5 | 0.13 | 0.42 | 0.12 | 0.019 | |
| 2 | EpiSen | 360 | 1.5 | -0.13 | 0.45 | 0.13 | 0.015 | ||||||||||
| 3 | EpiSen | UP | 0.5 | -0.05 | 0.11 | 0.07 | 0.008 | ||||||||||