| USGS National-Strong Motion Project | |||||||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for | |||||||||||||||||
| November 09, 2007, Ferndale, CA Earthquake (posted 11/16/2007; updated 03/19/2008) | |||||||||||||||||
| Mw 4.1, 11/09/2007, 03:37 UTC, 11/08/2007, 07:37 PM PST, 40.540 N, 124.403 W, 23.6 km depth, Regional Network ID# nc40205250 | |||||||||||||||||
| Sta | Inst | Inst | State: City; Recorder Location | Owner | Lat | Lon | Dist | Az | Ch | Sensor | Orient | PGA | PGV | PSA at: | |||
| No | 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 | 4.2 | 84 | 1 | EpiSen | 90 | -7.6 | -0.250 | 1.03 | 0.120 | 0.0117 | |
| 2 | EpiSen | 360 | 14.5 | 0.465 | 1.55 | 0.126 | 0.0130 | ||||||||||
| 3 | EpiSen | UP | -6.5 | -0.130 | 0.54 | 0.059 | 0.0038 | ||||||||||
| 1023 | Etna | 1990 | CA:Ferndale; Fire Station | USGS | 40.57616 | -124.26367 | 12.5 | 71 | 1 | EpiSen | 90 | 25.1 | -0.866 | 2.99 | 0.207 | 0.0172 | |
| 2 | EpiSen | 360 | 24.5 | -0.741 | 3.83 | 0.411 | 0.0346 | ||||||||||
| 3 | EpiSen | UP | -5.8 | 0.238 | 1.30 | 0.111 | 0.0060 | ||||||||||
| 1586 | Etna | 1993 | CA:Loleta; Fire Station | USGS | 40.64420 | -124.22071 | 19.3 | 53 | 1 | EpiSen | 90 | 13.8 | -0.530 | 2.13 | 0.265 | 0.0619 | |
| 2 | EpiSen | 360 | -16.8 | -0.440 | 3.01 | 0.153 | 0.0158 | ||||||||||
| 3 | EpiSen | UP | -7.2 | 0.154 | 0.78 | 0.079 | 0.0100 | ||||||||||
| 1746 | Etna | 2011 | CA:Fortuna; Fire Station | USGS | 40.58908 | -124.14790 | 23.9 | 77 | 1 | EpiSen | 90 | 13.8 | -0.577 | 2.19 | 0.197 | 0.0192 | |
| 2 | EpiSen | 360 | 10.6 | 0.485 | 1.47 | 0.207 | 0.0190 | ||||||||||
| 3 | EpiSen | UP | -4.0 | -0.067 | 0.29 | 0.040 | 0.0021 | ||||||||||
| 1581 | Etna | 2021 | CA:Eureka; South Bay School | USGS | 40.73501 | -124.20763 | 27.3 | 37 | 1 | EpiSen | 270 | -12.1 | 0.372 | 1.55 | 0.091 | 0.0115 | |
| 2 | EpiSen | 180 | -9.3 | -0.201 | 0.46 | 0.051 | 0.0036 | ||||||||||
| 3 | EpiSen | UP | 3.4 | 0.060 | 0.41 | 0.027 | 0.0027 | ||||||||||