| USGS National-Strong Motion Program | |||||||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for | |||||||||||||||||
| June 15, 2005, Offshore Northern California, CA Earthquake (posted 06/17/2005; updated 09/27/2005) | |||||||||||||||||
| Mw 7.1, 06/15/2005, 02:50 UTC, 06/14/2005, 07:50 PM PDT, 41.329 N, 125.863 W, 21.0 km depth, Regional Network ID# usziae | |||||||||||||||||
| 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 | |||
| 1725 | Etna | 2039 | CA: Ferndale; Centerville B&B | USGS | 40.544 | -124.354 | 128 | 124 | 1 | EpiSen | 90 | -11.40 | 1.54 | 4.29 | 0.907 | 0.192 | |
| 2 | EpiSen | 360 | 13.30 | -2.31 | 4.79 | 0.759 | 0.275 | ||||||||||
| 3 | EpiSen | UP | 6.20 | 0.71 | 1.79 | 0.370 | 0.198 | ||||||||||
| 1584 | Etna | 2003 | CA: Ferndale; Bunker Hill FAA | USGS | 40.498 | -124.295 | 133 | 124 | 1 | EpiSen | 90 | 5.27 | 1.30 | 2.47 | 0.429 | 0.130 | |
| 2 | EpiSen | 360 | -3.23 | -0.99 | 1.12 | 0.455 | 0.135 | ||||||||||
| 3 | EpiSen | UP | -1.17 | 0.44 | 0.37 | 0.210 | 0.084 | ||||||||||
| 1581 | Etna | 2021 | CA: Eureka; South Bay School | USGS | 40.735 | -124.207 | 154 | 115 | 1 | EpiSen | 270 | -11.70 | -1.06 | 3.31 | 1.350 | 0.200 | |
| 2 | EpiSen | 180 | 13.60 | 1.91 | 1.96 | 0.780 | 0.260 | ||||||||||
| 3 | EpiSen | UP | -4.91 | -0.59 | 1.00 | 0.506 | 0.185 | ||||||||||
| 1580 | Etna | 2023 | CA: Arcata; Humboldt State Univ | USGS | 40.874 | -124.075 | 159 | 108 | 1 | EpiSen | 90 | 6.35 | 0.52 | 2.89 | 0.227 | 0.096 | |
| 2 | EpiSen | 360 | -5.17 | 0.59 | 1.31 | 0.175 | 0.092 | ||||||||||
| 3 | EpiSen | UP | 1.78 | -0.36 | 0.57 | 0.172 | 0.051 | ||||||||||