| USGS National-Strong Motion Program | |||||||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for | |||||||||||||||||
| October 19, 2005, The Geysers, California Earthquake (posted 10/20/2005) | |||||||||||||||||
| Mw 4.0, 10/19/2005, 00:05 UTC, 10/18/2005, 05:05 PM PDT, 38.837 N, 122.882 W, 2.6 km depth, Regional Network ID# nc51165419 | |||||||||||||||||
| 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 | |||
| COB | Etna | 3432 | CA: Geysers; Cobb | CALPINE | 38.8387 | -122.7528 | 11.2 | 89 | 1 | EpiSen | 90 | 9.22 | -0.177 | 0.93 | 0.165 | 0.0110 | |
| 2 | EpiSen | 360 | 7.83 | -0.348 | 2.00 | 0.236 | 0.0216 | ||||||||||
| 3 | EpiSen | UP | 5.72 | -0.163 | 0.74 | 0.116 | 0.0086 | ||||||||||
| ADSP | Etna | 3433 | CA: Geysers; Anderson Springs | CALPINE | 38.7742 | -122.7056 | 16.8 | 114 | 1 | EpiSen | 90 | -8.41 | 0.155 | 0.29 | 0.049 | 0.0065 | |
| 2 | EpiSen | 360 | -8.37 | -0.164 | 0.51 | 0.058 | 0.0057 | ||||||||||
| 3 | EpiSen | UP | -4.77 | -0.069 | 0.21 | 0.034 | 0.0034 | ||||||||||