| USGS National Engineering Strong-Motion Program | |||||||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for | |||||||||||||||||
| December 21, 2008, Tres Pinos, California Earthquake (posted 12/22/2008) | |||||||||||||||||
| Mw 4.1, 12/21/2008, 17:35 UTC, 12/21/2008, 09:35 AM PST, 36.676 N, 121.301 W, 6.9 km depth, Regional Network ID# nc51213534 | |||||||||||||||||
| 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 | |||
| 1575 | Etna | 1404 | CA:Hollister; City Hall Annex | USGS | 36.8511 | -121.4034 | 21.5 | 335 | 1 | FBA-2g | 360 | 15.6 | -0.57 | 5.00 | 0.681 | 0.0349 | |
| 2 | FBA-2g | UP | -12.9 | -0.32 | 1.84 | 0.294 | 0.0180 | ||||||||||
| 3 | FBA-2g | 90 | -46.5 | 2.05 | 10.20 | 0.733 | 0.0528 | ||||||||||
| 1797 | K2 | 1854 | CA:Hollister; Airport, Bldg 3 | USGS | 36.8905 | -121.4037 | 25.5 | 339 | 1 | EpiSen | 90 | 13.3 | 0.48 | 2.81 | 0.290 | 0.0352 | |
| 2 | EpiSen | 360 | 9.8 | 0.42 | 1.55 | 0.248 | 0.0335 | ||||||||||
| 3 | EpiSen | UP | 5.3 | 0.13 | 0.85 | 0.203 | 0.0133 | ||||||||||