| USGS National-Strong Motion Program | ||||||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for | ||||||||||||||||
| October 20, 2003, Orinda, CA Earthquake (posted 10/21/2003) | ||||||||||||||||
| ML 3.4, 10/20/2003, 17:50 UTC, 10/20/2003, 10:50 AM PDT, 37.913 N, 122.160 W, 9.0 km depth | ||||||||||||||||
| Sta | Inst | Inst | State: City; Recorder Location | Owner | Lat | Lon | Dist | Az | Ch | Sensor | Orient | PGA | PGV | PSA at: | ||
| ID | type | S/N | deg | deg | km | deg | No | type | deg | cm/s/s | cm/s | 0.3 s | 1.0 s | 3.0 s | ||
| 1691 | Etna | 1398 | CA: Pleasant Hill; Fire Stn #2 | USGS | 37.927 | -122.078 | 7.4 | 78 | 1 | FBA-2g | 360 | 20.2 | 0.8 | 4.02 | 1.050 | 0.0589 |
| 2 | FBA-2g | UP | 7.1 | -0.2 | 1.62 | 0.238 | 0.0112 | |||||||||
| 3 | FBA-2g | 90 | 25.7 | -1.0 | 4.77 | 0.461 | 0.0286 | |||||||||