| USGS National-Strong Motion Program | |||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity Values for | |||||||||||||
| May 14, 2002, Gilroy, CA Earthquake (posted 05/14/2002; updated 05/17/2002) | |||||||||||||
| Mw 4.9, ML 5.2, 05/14/2002, 05:00 UTC, 05/13/2002 10:00 PM PDT, 36.967 N, 121.600 W, 7.6 km depth | |||||||||||||
| Sta | Inst | Inst | Recorder Name | Owner | Lat | Lon | Dist | Az | Ch | Sensor | Orient | PGA | PGV |
| No | type | S/N | deg | deg | km | deg | No | type | deg | cm/s/s | cm/s | ||
| 1797 | K2 | 1854 | CA: Hollister; Airport Building No. 3 | USGS | 36.891 | -121.404 | 19.4 | 116 | 1 | EpiSensor | 90 | -26.21 | -1.65 |
| 2 | EpiSensor | 360 | 44.26 | 2.58 | |||||||||
| 3 | EpiSensor | UP | -17.17 | -0.64 | |||||||||
| 1758 | Etna | 2034 | CA: Morgan Hill; El Toro Fire Station | USGS | 37.141 | -121.663 | 20.1 | 344 | 1 | EpiSensor | 180 | -35.16 | 1.07 |
| 2 | EpiSensor | 90 | -75.27 | 2.84 | |||||||||
| 3 | EpiSensor | UP | -31.68 | 1.09 | |||||||||
| 1575 | Etna | 1404 | CA: Hollister; City Hall Annex | USGS | 36.851 | -121.402 | 21.8 | 126 | 1 | FBA-2g | 360 | 19.65 | -1.56 |
| 2 | FBA-2g | UP | 18.95 | -0.73 | |||||||||
| 3 | FBA-2g | 90 | -21.28 | -2.29 | |||||||||
| 1742 | K2 | 440 | CA: San Jose; Weather Station | USGS | 37.350 | -121.904 | 50.4 | 328 | 1 | FBA-2g | 360 | -12.23 | 0.54 |
| 2 | FBA-2g | UP | 5.64 | -0.16 | |||||||||
| 3 | FBA-2g | 90 | 8.84 | 0.46 | |||||||||
| 1697 | K2 | 729 | CA:Los Gatos; Los Altos Rod & Gun Club | USGS | 37.239 | -122.106 | 54.2 | 304 | 1 | FBA-2g | 360 | -7.62 | -0.55 |
| 2 | FBA-2g | UP | -4.77 | 0.22 | |||||||||
| 3 | FBA-2g | 90 | -10.37 | -0.49 | |||||||||
| 1720 | Etna | 1401 | CA: Cupertino; Sunnyvale Rod & Gun Club | USGS | 37.299 | -122.085 | 56.7 | 311 | 1 | FBA-2g | 270 | 7.73 | -0.35 |
| 2 | FBA-2g | UP | 4.34 | -0.27 | |||||||||
| 3 | FBA-2g | 360 | 10.00 | -0.63 | |||||||||
| 1695 | Etna | 1427 | CA: Sunnyvale; Salsman Residence | USGS | 37.402 | -122.025 | 61.3 | 322 | 1 | FBA-2g | 360 | -16.30 | 0.82 |
| 2 | FBA-2g | UP | 6.35 | 0.27 | |||||||||
| 3 | FBA-2g | 90 | 17.61 | 1.26 | |||||||||
| 1684 | Etna | 1403 | CA: Sunol; Ohlone Wilderness Regional Park | USGS | 37.515 | -121.83 | 64.2 | 342 | 1 | FBA-2g | 360 | -6.29 | -0.22 |
| 2 | FBA-2g | UP | -2.78 | -0.18 | |||||||||
| 3 | FBA-2g | 90 | 7.43 | 0.30 | |||||||||
| 1787 | K2 | 435 | CA: Palo Alto; Fire Station No. 7 SLAC | USGS | 37.418 | -122.206 | 73.5 | 313 | 1 | FBA-2g | 360 | -13.95 | 0.72 |
| 2 | FBA-2g | UP | -6.74 | 0.35 | |||||||||
| 3 | FBA-2g | 90 | -16.12 | 0.62 | |||||||||
| 1688 | K2 | 728 | CA: Sunol; Forest-Fire Station | USGS | 37.597 | -121.88 | 74.2 | 341 | 1 | FBA-2g | 360 | 12.25 | -0.79 |
| 2 | FBA-2g | UP | -3.38 | 0.19 | |||||||||
| 3 | FBA-2g | 90 | 10.25 | 0.74 | |||||||||
| 1745 | K2 | 1074 | CA: Menlo Park, USGS, McKelvey Bldg. No. 15 | USGS | 37.457 | -122.169 | 74.2 | 317 | |||||
| Basement, SW corner | 1 | FBA-11 | 300 | -12.24 | -0.54 | ||||||||
| Basement, SW corner | 2 | FBA-11 | UP | 5.99 | 0.17 | ||||||||
| Basement, SW corner | 3 | FBA-11 | 30 | 9.39 | 0.46 | ||||||||
| Freefield | 4 | FBA-11 | 300 | -21.13 | 0.91 | ||||||||
| Freefield | 5 | FBA-11 | UP | -6.75 | -0.16 | ||||||||
| Freefield | 6 | FBA-11 | 30 | -13.21 | 0.65 | ||||||||
| Roof, SE side | 7 | FBA-11 | 300 | 20.05 | -1.35 | ||||||||
| Central Hall, S side, roof | 8 | FBA-11 | 210 | 22.68 | -1.20 | ||||||||
| Central Hall, N side, roof | 9 | FBA-11 | 210 | -20.47 | -1.14 | ||||||||
| Roof, N side | 10 | FBA-11 | 210 | 14.14 | 0.87 | ||||||||
| Roof, longitudinal W side | 11 | FBA-11 | 300 | 20.94 | -1.33 | ||||||||
| Roof, SW side | 12 | FBA-11 | 300 | 23.78 | 1.21 | ||||||||
| 1784 | K2 | 721 | CA: Menlo Park; USGS, NSMP Shop, Bldg. No. 11 | USGS | 37.456 | -122.173 | 74.4 | 317 | 1 | FBA-2g | 360 | 21.82 | -0.90 |
| 2 | FBA-2g | UP | -7.41 | 0.20 | |||||||||
| 3 | FBA-2g | 90 | 23.50 | -0.83 | |||||||||
| 1750 | Etna | 2017 | CA: Fremont; Coyote Hills Park Visitor Center | USGS | 37.553 | -122.091 | 78.3 | 326 | 1 | EpiSensor | 90 | 12.49 | -0.37 |
| 2 | EpiSensor | 360 | -12.23 | -0.35 | |||||||||
| 3 | EpiSensor | UP | -7.54 | -0.15 | |||||||||
| 1739 | K2 | 724 | CA: Union City; Masonic Home | USGS | 37.6001 | -122.0061 | 79.0 | 333 | 1 | FBA-2g | 180 | 5.65 | -0.32 |
| 2 | FBA-2g | UP | 3.46 | -0.23 | |||||||||
| 3 | FBA-2g | 270 | 12.99 | 0.59 | |||||||||
| 1752 | K2 | 438 | CA: Woodside; Filoli Visitor Center | USGS | 37.468 | -122.308 | 83.9 | 312 | 1 | FBA-2g | 360 | 16.58 | -0.72 |
| 2 | FBA-2g | UP | 5.25 | 0.35 | |||||||||
| 3 | FBA-2g | 90 | -21.36 | 0.97 | |||||||||
| 1689 | Etna | 1402 | CA: Dublin; Fire Station | USGS | 37.709 | -121.932 | 87.4 | 340 | 1 | FBA-2g | 360 | 5.76 | -0.78 |
| 2 | FBA-2g | UP | 2.04 | 0.35 | |||||||||
| 3 | FBA-2g | 90 | 6.74 | -0.81 | |||||||||
| 1753 | K2 | 430 | CA: Foster City; Bowditch School | USGS | 37.560 | -122.249 | 87.4 | 319 | 1 | FBA-2g | 360 | 8.19 | -0.51 |
| 2 | FBA-2g | UP | 2.29 | 0.14 | |||||||||
| 3 | FBA-2g | 90 | -9.74 | -0.95 | |||||||||
| 1754 | K2 | 432 | CA: Hayward; Fire Station No. 1 | USGS | 37.672 | -122.081 | 89.1 | 332 | 1 | FBA-2g | 360 | -11.85 | 0.57 |
| 2 | FBA-2g | UP | -4.84 | 0.23 | |||||||||
| 3 | FBA-2g | 90 | 6.35 | -0.31 | |||||||||
| 1756 | K2 | 609 | CA: Alameda; Oakland Airport Fire Station No. 4 | USGS | 37.738 | -122.253 | 103.3 | 326 | 1 | FBA-2g | 180 | -5.80 | -0.28 |
| 2 | FBA-2g | UP | -1.58 | 0.11 | |||||||||
| 3 | FBA-2g | 270 | -5.44 | 0.34 | |||||||||
| 1755 | K2 | 598 | CA: Alameda; Fire Station No. 1 | USGS | 37.763 | -122.244 | 105.2 | 327 | 1 | FBA-2g | 360 | -5.45 | 0.23 |
| 2 | FBA-2g | UP | 1.61 | 0.09 | |||||||||
| 3 | FBA-2g | 90 | -4.48 | 0.27 | |||||||||
| 1675 | K2 | 441 | CA: San Francisco; Fire Station No. 17, Hunters Pt | USGS | 37.728 | -122.385 | 109.4 | 321 | 1 | FBA-2g | 50 | -8.59 | -0.42 |
| 2 | FBA-2g | UP | -4.91 | 0.13 | |||||||||
| 3 | FBA-2g | 140 | -5.53 | -0.21 | |||||||||
| 1741 | K2 | 433 | CA: San Francisco; Marina School | USGS | 37.804 | -122.443 | 119.2 | 321 | 1 | FBA-2g | 350 | -14.94 | 0.98 |
| 2 | FBA-2g | UP | -8.24 | 0.51 | |||||||||
| 3 | FBA-2g | 80 | -19.71 | 1.17 | |||||||||
| 1678 | K2 | 439 | CA: San Francisco; Golden Gate Bridge | USGS | 37.808 | -122.476 | 121.4 | 321 | 1 | FBA-2g | 360 | -7.43 | -0.52 |
| 2 | FBA-2g | UP | 3.34 | 0.22 | |||||||||
| 3 | FBA-2g | 90 | 8.37 | -0.71 | |||||||||
| 1749 | Etna | 2014 | CA: Richmond; Point Molate | USGS | 37.950 | -122.417 | 130.9 | 327 | 1 | EpiSensor | 180 | -8.43 | -0.25 |
| 2 | EpiSensor | 90 | -6.03 | 0.19 | |||||||||
| 3 | EpiSensor | UP | 2.39 | 0.10 | |||||||||