| USGS National-Strong Motion Program | |||||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity Values for | |||||||||||||||
| September 03, 2002, Yorba Linda, CA Earthquake (posted 09/04/2002; updated 10/10/2002) | |||||||||||||||
| ML 4.8, 09/03/2002, 07:08 UTC, 09/03/2002 00:08 AM PDT, 33.917 N, 117.776 W, 12.9 km depth (updated 09/16/2002) | |||||||||||||||
| 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 | ||||
| 698 | Etna | 1929 | CA: Yorba Linda; Diemer Filtration Plant; Reservoir, roof | USGS | 33.9100 | -117.8173 | 3.9 | 259 | 1 | FBA-2g | 281 | 39.85 | -1.39 | ||
| 2 | FBA-2g | UP | -92.28 | -0.85 | |||||||||||
| 3 | FBA-2g | 11 | -47.61 | 1.44 | |||||||||||
| 698 | Etna | 1925 | CA: Yorba Linda; Diemer Filt Plant; Control bldg, bsmnt | USGS | 33.9117 | -117.8205 | 4.2 | 262 | 1 | FBA-2g | 281 | 23.49 | -1.34 | ||
| 2 | FBA-2g | UP | -17.25 | 0.70 | |||||||||||
| 3 | FBA-2g | 11 | -21.99 | 1.61 | |||||||||||
| 697 | Etna | 1926 | CA: Brea; Orange County Reservoir, crest | USGS | 33.9357 | -117.8841 | 10.2 | 282 | 1 | FBA-2g | 90 | 31.70 | -1.77 | ||
| 2 | FBA-2g | UP | -25.79 | -1.80 | |||||||||||
| 3 | FBA-2g | 180 | 65.70 | 3.96 | |||||||||||
| 697 | Etna | 1933 | CA :Brea; Orange County Reservoir, abutment | USGS | 33.9354 | -117.8839 | 10.2 | 282 | 1 | FBA-2g | 90 | 44.11 | 1.46 | ||
| 2 | FBA-2g | UP | 19.23 | -0.99 | |||||||||||
| 3 | FBA-2g | 180 | 27.67 | -2.35 | |||||||||||
| 709 | Etna | 1922 | CA: Monterey Park; Garvey Reservoir, abutment | MWD | 34.049 | -118.112 | 34.3 | 295 | 1 | FBA-2g | 114 | 4.41 | -0.14 | ||
| 2 | FBA-2g | UP | -4.20 | 0.14 | |||||||||||
| 3 | FBA-2g | 204 | 11.03 | -0.30 | |||||||||||
| 709 | Etna | 1935 | CA: Monterey Park; Garvey Reservoir, crest | MWD | 34.051 | -118.116 | 34.8 | 295 | 1 | FBA-2g | 114 | NT | NT | ||
| 2 | FBA-2g | UP | NT | NT | |||||||||||
| 3 | FBA-2g | 204 | NT | NT | |||||||||||
| 5246 | K2 | 1036 | CA: Newport Beach; 840 Twin Towers | USGS | 33.618 | -117.878 | 34.5 | 196 | |||||||
| Tower 2, Level 1, center | 1 | FBA-1g | 15 | -3.85 | -0.09 | ||||||||||
| Tower 2, Level 1, center | 2 | FBA-1g | UP | 2.43 | -0.07 | ||||||||||
| Tower 2, Level 1, center | 3 | FBA-1g | 105 | 2.28 | -0.13 | ||||||||||
| Tower 2, Level 2, west | 4 | FBA-1g | 105 | 6.66 | 0.21 | ||||||||||
| Middle Building, Level 2 | 5 | FBA-1g | 15 | 8.78 | 0.21 | ||||||||||
| Middle Building, Level 2 | 6 | FBA-1g | 285 | 5.96 | -0.20 | ||||||||||
| Tower 2, Level 9, S | 7 | FBA-1g | 105 | 3.15 | -0.26 | ||||||||||
| Tower 2, Level 10, center | 8 | FBA-1g | 15 | 2.31 | 0.17 | ||||||||||
| Tower 2, Level 10, center | 9 | FBA-1g | 105 | -3.06 | -0.26 | ||||||||||
| Tower 1, Level 9, E | 10 | FBA-1g | 105 | 2.50 | 0.22 | ||||||||||
| Tower 1, Level 10, center | 11 | FBA-1g | 285 | -2.89 | -0.22 | ||||||||||
| Tower 1, Level 10, center | 12 | FBA-1g | 15 | -2.38 | 0.17 | ||||||||||
| 5407 | MtWh | 133 | CA: Pasadena; Millikan Library | USGS | 34.137 | -118.126 | 40.5 | 307 | |||||||
| 3rd Floor, E | 1 | FBA-11 | 360 | -4.58 | -0.20 | ||||||||||
| 3rd Floor, W | 2 | FBA-11 | 270 | -5.68 | 0.30 | ||||||||||
| 3rd Floor, W | 3 | FBA-11 | 360 | -6.44 | -0.26 | ||||||||||
| 4th Floor, E | 4 | FBA-11 | 360 | -4.54 | -0.24 | ||||||||||
| 4th Floor, W | 5 | FBA-2g | 270 | -5.12 | -0.31 | ||||||||||
| 4th Floor, W | 6 | FBA-11 | 360 | -6.21 | -0.25 | ||||||||||
| 5th Floor, W | 7 | FBA-11 | 270 | -4.95 | -0.39 | ||||||||||
| 5th Floor, W | 8 | FBA-11 | 360 | -5.69 | 0.30 | ||||||||||
| 5th Floor, E | 9 | FBA-11 | 360 | 4.20 | 0.30 | ||||||||||
| 8th Floor, E (sensor inoperative) | 10 | FBA-2g | 360 | ||||||||||||
| 8th Floor, W | 11 | FBA-2g | 270 | 4.20 | -0.63 | ||||||||||
| 8th Floor, W | 12 | FBA-2g | 360 | -5.11 | 0.48 | ||||||||||
| 9th Floor, E | 13 | FBA-2g | 360 | -5.47 | 0.53 | ||||||||||
| 9th Floor, W | 14 | FBA-2g | 270 | 4.43 | -0.71 | ||||||||||
| 9th Floor, W | 15 | FBA-2g | 360 | -6.76 | 0.54 | ||||||||||
| Roof | 16 | FBA-2g | 360 | -6.75 | 0.58 | ||||||||||
| Roof | 17 | FBA-2g | 270 | 7.37 | -0.79 | ||||||||||
| Roof | 18 | FBA-2g | 360 | -8.48 | 0.61 | ||||||||||
| 5407 | MtWh | 134 | CA: Pasadena; Millikan Library | USGS | 34.137 | -118.126 | 40.5 | 307 | |||||||
| Basement, E corner | 1 | FBA-11 | 360 | -3.70 | -0.15 | ||||||||||
| Basement, E corner | 2 | FBA-11 | UP | -2.48 | 0.11 | ||||||||||
| Basement, E corner | 3 | FBA-11 | 270 | -5.70 | 0.36 | ||||||||||
| Basement, NW corner | 4 | FBA-11 | 360 | -3.79 | -0.13 | ||||||||||
| Basement, NW corner | 5 | FBA-11 | UP | -2.58 | 0.10 | ||||||||||
| Basement, SE corner | 6 | FBA-11 | UP | -2.52 | 0.10 | ||||||||||
| 1st Floor, E | 7 | FBA-11 | 360 | -3.85 | -0.15 | ||||||||||
| 1st Floor, W | 8 | FBA-11 | 270 | 5.77 | 0.36 | ||||||||||
| 1st Floor, W | 9 | FBA-11 | 360 | -4.61 | -0.16 | ||||||||||
| 2nd Floor, E (sensor inoperative) | 10 | FBA-2g | 260 | ||||||||||||
| 2nd Floor, W | 11 | FBA-11 | 270 | -5.86 | 0.34 | ||||||||||
| 2nd Floor, W | 12 | FBA-11 | 360 | -6.09 | -0.23 | ||||||||||
| 6th Floor, E | 13 | FBA-11 | 360 | -3.74 | 0.35 | ||||||||||
| 6th Floor, W | 14 | FBA-11 | 270 | -4.32 | -0.47 | ||||||||||
| 6th Floor, W | 15 | FBA-11 | 360 | 5.05 | 0.35 | ||||||||||
| 7th Floor, E | 16 | FBA-2g | 360 | -3.99 | 0.41 | ||||||||||
| 7th Floor, W | 17 | FBA-2g | 270 | 3.99 | -0.55 | ||||||||||
| 7th Floor, W | 18 | FBA-2g | 360 | 4.51 | 0.41 | ||||||||||
| 5296 | K2 | 155 | CA: Pasadena; USGS/NSMP Office | USGS | 34.1367 | -118.1285 | 40.7 | 307 | 1 | FBA-2g | 180 | 5.70 | -0.15 | ||
| 2 | FBA-2g | UP | -3.30 | -0.10 | |||||||||||
| 3 | FBA-2g | 270 | -6.96 | 0.38 | |||||||||||
| 5396 | K2 | 517 | CA: Los Angeles; Acosta Residence | USGS | 34.072 | -118.176 | 40.8 | 295 | 1 | FBA-2g | 180 | 15.03 | -0.60 | ||
| 2 | FBA-2g | UP | 8.15 | -0.31 | |||||||||||
| 3 | FBA-2g | 270 | 8.72 | -0.44 | |||||||||||
| 5409 | K2 | 588 | CA: Lytle Creek; Fire Station | USGS | 34.233 | -117.482 | 44.3 | 38 | 1 | FBA-2g | 360 | 18.18 | -0.55 | ||
| 2 | FBA-2g | UP | 17.95 | 0.53 | |||||||||||
| 3 | FBA-2g | 90 | -35.44 | -1.66 | |||||||||||
| 5036 | K2 | 580 | CA: San Bernardino; Sycamore Forest, FS # 32 | USGS | 34.193 | -117.427 | 44.4 | 46 | 1 | FBA-2g | 360 | 16.07 | 0.65 | ||
| 2 | FBA-2g | UP | 4.23 | 0.10 | |||||||||||
| 3 | FBA-2g | 90 | -14.93 | -0.46 | |||||||||||
| 5330 | Etna | 1979 | CA: San Bernardino; Fire Station No 9 | USGS | 34.103 | -117.349 | 44.5 | 62 | 1 | EpiSensor | 90 | -6.21 | -0.29 | ||
| 2 | EpiSensor | 360 | 11.31 | 0.53 | |||||||||||
| 3 | EpiSensor | UP | -5.58 | -0.24 | |||||||||||
| 5341 | Etna | 1983 | CA: Colton; Kaiser Medical Clinic | USGS | 34.058 | -117.305 | 46.2 | 70 | 1 | EpiSensor | 90 | -6.63 | 0.24 | ||
| 2 | EpiSensor | 360 | 9.41 | -0.40 | |||||||||||
| 3 | EpiSensor | UP | -6.70 | 0.16 | |||||||||||
| 5265 | K2 | 514 | CA: Devore; Devore Water Company | USGS | 34.235 | -117.407 | 49.0 | 44 | 1 | FBA-2g | 360 | 10.88 | 0.41 | ||
| 2 | FBA-2g | UP | -6.99 | -0.20 | |||||||||||
| 3 | FBA-2g | 90 | -15.71 | -0.66 | |||||||||||
| 5339 | K2 | 584 | CA: San Bernardino; Fire Station No 10 | USGS | 34.091 | -117.289 | 49.0 | 67 | 1 | FBA-2g | 180 | 20.50 | -0.98 | ||
| 2 | FBA-2g | UP | 4.11 | -0.12 | |||||||||||
| 3 | FBA-2g | 270 | 11.88 | -0.44 | |||||||||||
| 5329 | K2 | 548 | CA: San Bernardino; Fire Station No 11 | USGS | 34.069 | -117.275 | 49.3 | 70 | 1 | FBA-2g | 180 | -13.72 | -0.64 | ||
| 2 | FBA-2g | UP | -6.15 | -0.28 | |||||||||||
| 3 | FBA-2g | 270 | -5.80 | 0.31 | |||||||||||
| 5371 | Etna | 1995 | CA: San Bernardino; North Verdemont School | USGS | 34.205 | -117.365 | 49.6 | 50 | 1 | EpiSensor | 90 | 17.45 | -0.61 | ||
| 2 | EpiSensor | 360 | 9.59 | 0.40 | |||||||||||
| 3 | EpiSensor | UP | 6.38 | -0.17 | |||||||||||
| 5408 | K2 | 596 | CA: La Canada; Wald Residence | USGS | 34.2096 | -118.1863 | 49.9 | 311 | 1 | FBA-2g | 360 | 5.13 | -0.20 | ||
| 2 | FBA-2g | UP | -3.43 | -0.08 | |||||||||||
| 3 | FBA-2g | 90 | -6.06 | -0.25 | |||||||||||
| 5373 | Etna | 2013 | CA: San Bernardino; Lincoln School | USGS | 34.123 | -117.287 | 50.6 | 63 | 1 | EpiSensor | 90 | -8.36 | 0.29 | ||
| 2 | EpiSensor | 360 | 7.19 | -0.27 | |||||||||||
| 3 | EpiSensor | UP | -2.92 | 0.11 | |||||||||||
| 5337 | Etna | 1981 | CA: San Bernardino; Fire Station No 04 | USGS | 34.14 | -117.294 | 50.9 | 61 | 1 | EpiSensor | 90 | 7.06 | -0.39 | ||
| 2 | EpiSensor | 360 | 8.42 | 0.46 | |||||||||||
| 3 | EpiSensor | UP | -5.50 | 0.19 | |||||||||||
| 5282 | K2 | 513 | CA: Wrightwood; Post Office | USGS | 34.36 | -117.628 | 51.0 | 15 | 1 | FBA-2g | 180 | 14.48 | -0.52 | ||
| 2 | FBA-2g | UP | -6.24 | 0.18 | |||||||||||
| 3 | FBA-2g | 270 | -11.02 | 0.49 | |||||||||||
| 5037 | K2 | 551 | CA: Reche Canyon; Olive Dell Ranch | USGS | 34.004 | -117.223 | 52.0 | 79 | 1 | FBA-2g | 360 | 5.32 | 0.10 | ||
| 2 | FBA-2g | UP | 4.03 | 0.07 | |||||||||||
| 3 | FBA-2g | 90 | 3.61 | -0.07 | |||||||||||
| 5327 | K2 | 536 | CA: San Bernardino; Fire Station No 07 | USGS | 34.165 | -117.288 | 52.8 | 58 | 1 | FBA-2g | 360 | -9.66 | 0.30 | ||
| 2 | FBA-2g | UP | -4.36 | 0.14 | |||||||||||
| 3 | FBA-2g | 90 | 9.90 | 0.25 | |||||||||||
| 5331 | Etna | 2008 | CA: San Bernardino; Del Rosa Work Station | USGS | 34.1663 | -117.2512 | 55.8 | 60 | 1 | EpiSensor | 111 | -9.81 | -0.25 | ||
| 2 | EpiSensor | 21 | -6.96 | 0.29 | |||||||||||
| 3 | EpiSensor | UP | -3.91 | -0.11 | |||||||||||
| 5336 | Etna | 2009 | CA: San Bernardino; Serrano School | USGS | 34.145 | -117.219 | 57.3 | 64 | 1 | EpiSensor | 90 | 8.98 | 0.32 | ||
| 2 | EpiSensor | 360 | -13.75 | 0.57 | |||||||||||
| 3 | EpiSensor | UP | 5.69 | -0.20 | |||||||||||
| 5161 | Etna | 1982 | CA: Highland; Fire Station No 08 | USGS | 34.136 | -117.213 | 57.4 | 65 | 1 | EpiSensor | 90 | 7.10 | -0.28 | ||
| 2 | EpiSensor | 360 | 6.69 | 0.33 | |||||||||||
| 3 | EpiSensor | UP | 3.06 | -0.13 | |||||||||||
| NT | Recorder did not trigger | ||||||||||||||