| USGS National-Strong Motion Program | |||||||||||||
| Preliminary Corrected Peak Ground Acceleration and Velocity Values for | |||||||||||||
| October 31, 2001, Anza, CA Earthquake (posted 10/31/2001; updated 11/29/2001) | |||||||||||||
| ML 5.1, 10/31/2001, 07:56 UTC, 10/30/2001 11:56 PM PST, 33.508 N, 116.514 W, 15.2 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 | ||
| 5223 | Etna | 2044 | CA: Mountain Center; Pine Meadows Ranch | USGS | 33.578 | -116.590 | 10.5 | 318 | 1 | Episensor | 90 | 124.70 | 2.19 |
| 2 | Episensor | 360 | -100.70 | 2.58 | |||||||||
| 3 | Episensor | UP | -345.80 | 2.12 | |||||||||
| 5044 | K2 | 515 | CA: Pinyon Flat; Geophysical Observatory | USGS | 33.607 | -116.453 | 12.4 | 27 | 1 | FBA-2g | 360 | -132.40 | 2.32 |
| 2 | FBA-2g | UP | 109.10 | 1.23 | |||||||||
| 3 | FBA-2g | 90 | 120.50 | -3.55 | |||||||||
| 5372 | Etna | 2047 | CA: Idyllwild; Kenworthy Fire Station | USGS | 33.616 | -116.620 | 15.5 | 321 | 1 | Episensor | 90 | 263.80 | 5.31 |
| 2 | Episensor | 360 | 96.04 | -2.88 | |||||||||
| 3 | Episensor | UP | -232.70 | -3.56 | |||||||||
| 5160 | K2 | 605 | CA: Anza; Fire Station | USGS | 33.556 | -116.674 | 15.8 | 290 | 1 | FBA-2g | 360 | -30.96 | -0.74 |
| 2 | FBA-2g | UP | -24.86 | -0.55 | |||||||||
| 3 | FBA-2g | 90 | 38.81 | 1.59 | |||||||||
| 5043 | Etna | 2050 | CA: Hurkey Creek; County Park | USGS | 33.676 | -116.680 | 24.2 | 320 | 1 | Episensor | 90 | 51.16 | 1.37 |
| 2 | Episensor | 360 | -34.49 | 0.79 | |||||||||
| 3 | Episensor | UP | 58.76 | 0.68 | |||||||||
| 5222 | K2 | 594 | CA: Anza; Tripp Flats Training Camp | USGS | 33.602 | -116.755 | 24.7 | 295 | 1 | FBA-2g | 360 | -116.70 | 2.28 |
| 2 | FBA-2g | UP | -79.39 | 1.21 | |||||||||
| 3 | FBA-2g | 90 | 121.40 | 2.86 | |||||||||
| 5232 | K2 | 604 | CA: Idyllwild; Keenwild Fire Station | USGS | 33.707 | -116.717 | 29.0 | 320 | 1 | FBA-2g | 180 | -32.26 | -0.46 |
| 2 | FBA-2g | UP | 72.80 | 0.56 | |||||||||
| 3 | FBA-2g | 270 | 39.95 | 0.46 | |||||||||
| 5294 | K2 | 532 | CA: Indio; Jackson Road | USGS | 33.747 | -116.215 | 38.4 | 46 | 1 | FBA-2g | 180 | -64.07 | -3.62 |
| 2 | FBA-2g | UP | -33.49 | 0.48 | |||||||||
| 3 | FBA-2g | 270 | 89.59 | 3.57 | |||||||||
| 5220 | Etna | 2046 | CA: Borrego Springs; Scripps Clinic | USGS | 33.194 | -116.329 | 38.9 | 154 | 1 | Episensor | 45 | 22.81 | -1.19 |
| 2 | Episensor | 315 | -23.63 | -0.99 | |||||||||
| 3 | Episensor | UP | -9.50 | 0.42 | |||||||||
| 5270 | K2 | 526 | CA: Mecca; Fire Station | USGS | 33.572 | -116.076 | 41.3 | 80 | 1 | FBA-2g | 360 | 30.34 | 1.24 |
| 2 | FBA-2g | UP | -25.66 | -0.90 | |||||||||
| 3 | FBA-2g | 90 | -25.71 | 1.64 | |||||||||
| 5295 | K2 | 534 | CA: North Palm Springs; Fire Station # 36 | USGS | 33.925 | -116.548 | 46.4 | 356 | 1 | FBA-2g | 180 | 17.54 | -0.51 |
| 2 | FBA-2g | UP | -29.07 | 0.45 | |||||||||
| 3 | FBA-2g | 270 | 15.90 | 0.59 | |||||||||
| 5069 | K2 | 525 | CA: Fun Valley; Reservoir # 361 | USGS | 33.925 | -116.389 | 47.7 | 14 | 1 | FBA-2g | 360 | -14.60 | 0.44 |
| 2 | FBA-2g | UP | 18.94 | -0.37 | |||||||||
| 3 | FBA-2g | 90 | 26.09 | -0.91 | |||||||||
| 5375 | K2 | 522 | CA: Ocotillo Wells; Vehicle Recreation Area | USGS | 33.156 | -116.168 | 50.6 | 140 | 1 | FBA-2g | 360 | 22.05 | -1.37 |
| 2 | FBA-2g | UP | 18.23 | -0.94 | |||||||||
| 3 | FBA-2g | 90 | -22.15 | -1.07 | |||||||||
| 5073 | K2 | 587 | CA: Cabazon; Post Office | USGS | 33.918 | -116.782 | 51.8 | 331 | 1 | FBA-2g | 180 | 11.87 | -0.49 |
| 2 | FBA-2g | UP | -16.11 | 0.34 | |||||||||
| 3 | FBA-2g | 270 | 9.87 | -0.58 | |||||||||
| 5289 | K2 | 547 | CA: San Jacinto; MWD West Portal | USGS | 33.822 | -116.968 | 54.6 | 310 | 1 | FBA-2g | 360 | -8.23 | 0.35 |
| 2 | FBA-2g | UP | 7.94 | -0.25 | |||||||||
| 3 | FBA-2g | 90 | 5.96 | 0.46 | |||||||||
| 5072 | Etna | 1405 | CA: Whitewater Canyon; Trout Farm | USGS | 33.990 | -116.656 | 55.1 | 346 | 1 | FBA-2g | 55 | -15.67 | -0.35 |
| 2 | FBA-2g | UP | 21.18 | 0.26 | |||||||||
| 3 | FBA-2g | 145 | -14.10 | 0.36 | |||||||||
| 5071 | K2 | 544 | CA: Morongo Valley; Fire Station # 461 | USGS | 34.049 | -116.578 | 60.3 | 354 | 1 | FBA-2g | 360 | 17.72 | 0.53 |
| 2 | FBA-2g | UP | 13.89 | 0.25 | |||||||||
| 3 | FBA-2g | 90 | 15.59 | -0.56 | |||||||||
| 5076 | Etna | 1434 | CA: Mentone; Mill Creek Ranger Station | USGS | 34.079 | -117.045 | 80.2 | 322 | 1 | FBA-2g | 180 | 7.35 | 0.43 |
| 2 | FBA-2g | UP | 6.58 | -0.31 | |||||||||
| 3 | FBA-2g | 270 | 17.52 | -0.98 | |||||||||
| 817 | Etna | 1924 | CA: Hinds Pumping Plant | USGS | 33.708 | -115.628 | 85.2 | 75 | 1 | FBA-2g | 360 | 6.10 | -0.44 |
| 2 | FBA-2g | UP | -2.74 | -0.09 | |||||||||
| 3 | FBA-2g | 90 | 5.99 | 0.19 | |||||||||
| 5037 | K2 | 551 | CA: Reche Canyon; Olive Dell Ranch | USGS | 34.004 | -117.223 | 85.7 | 310 | 1 | FBA-2g | 360 | -6.14 | 0.14 |
| 2 | FBA-2g | UP | 3.83 | -0.11 | |||||||||
| 3 | FBA-2g | 90 | -4.52 | -0.12 | |||||||||
| 5300 | K2 | 1421 | CA: Redlands; 7 Oaks Dam, Downstream Array | USGS | 34.111 | -117.099 | 86.1 | 321 | |||||
| Surface | 1 | Episensor | 90 | 7.67 | 0.27 | ||||||||
| Surface | 2 | Episensor | 360 | -11.32 | -0.23 | ||||||||
| Surface | 3 | Episensor | UP | 5.77 | 0.09 | ||||||||
| Downhole 53' | 4 | Episensor | 90 | 3.80 | 0.22 | ||||||||
| Downhole 53' | 5 | Episensor | 360 | 2.58 | -0.09 | ||||||||
| Downhole 53' | 6 | Episensor | UP | 2.43 | 0.07 | ||||||||
| 5328 | K2 | 599 | CA: San Bernardino; Montecito Memorial Park | USGS | 34.047 | -117.277 | 92.6 | 310 | 1 | FBA-2g | 360 | 6.06 | -0.24 |
| 2 | FBA-2g | UP | 4.74 | 0.19 | |||||||||
| 3 | FBA-2g | 90 | -6.37 | 0.28 | |||||||||
| 5329 | K2 | 548 | CA: San Bernardino; Fire Station # 11 | USGS | 34.069 | -117.275 | 94.0 | 312 | 1 | FBA-2g | 180 | -4.23 | -0.30 |
| 2 | FBA-2g | UP | -1.93 | -0.13 | |||||||||
| 3 | FBA-2g | 270 | 5.89 | -0.45 | |||||||||
| 5161 | Etna | 1982 | CA: Highland; Fire Station # 8 | USGS | 34.136 | -117.213 | 95.1 | 317 | 1 | Episensor | 90 | -5.45 | 0.27 |
| 2 | Episensor | 360 | -6.06 | -0.20 | |||||||||
| 3 | Episensor | UP | 2.54 | 0.11 | |||||||||
| 5336 | Etna | 2009 | CA: San Bernardino; Serrano Middleschool | USGS | 34.145 | -117.219 | 96.2 | 317 | 1 | Episensor | 90 | 5.48 | 0.30 |
| 2 | Episensor | 360 | 6.14 | -0.20 | |||||||||
| 3 | Episensor | UP | -3.87 | 0.15 | |||||||||
| 5339 | K2 | 584 | CA: San Bernardino; Fire Station # 10 | USGS | 34.091 | -117.289 | 96.6 | 312 | 1 | FBA-2g | 180 | -6.39 | -0.43 |
| 2 | FBA-2g | UP | -2.58 | 0.11 | |||||||||
| 3 | FBA-2g | 270 | -6.24 | -0.44 | |||||||||
| 5373 | Etna | 2013 | CA: San Bernardino; Lincoln School | USGS | 34.123 | -117.287 | 98.9 | 314 | 1 | Episensor | 90 | 5.50 | 0.42 |
| 2 | Episensor | 360 | -5.05 | -0.24 | |||||||||
| 3 | Episensor | UP | -2.42 | -0.14 | |||||||||
| 5331 | Etna | 2008 | CA: San Bernardino; Del Rosa Work Station | USGS | 34.1663 | -117.2512 | 99.9 | 317 | 1 | Episensor | 110 | 8.29 | 0.55 |
| Episensor | 20 | -8.33 | 0.35 | ||||||||||
| Episensor | UP | -3.38 | -0.13 | ||||||||||
| 5337 | Etna | 1981 | CA: San Bernardino; Fire Station # 4 | USGS | 34.140 | -117.294 | 100.6 | 314 | 1 | Episensor | 90 | 10.83 | 0.63 |
| 2 | Episensor | 360 | 7.81 | -0.29 | |||||||||
| 3 | Episensor | UP | -4.24 | -0.20 | |||||||||
| 5327 | K2 | 536 | CA: San Bernardino; Fire Station # 7 | USGS | 34.165 | -117.288 | 102.2 | 316 | 1 | FBA-2g | 360 | -6.95 | 0.28 |
| 2 | FBA-2g | UP | -2.72 | -0.13 | |||||||||
| 3 | FBA-2g | 90 | -4.38 | 0.25 | |||||||||
| 5058 | Etna | 2010 | CA: El Centro; Array 11, McCabe School | USGS | 32.752 | -115.594 | 120.0 | 134 | 1 | Episensor | 90 | -13.05 | -0.50 |
| 2 | Episensor | 360 | 14.79 | -0.74 | |||||||||
| 3 | Episensor | UP | 3.51 | -0.14 | |||||||||
| 5028 | Etna | 2028 | CA: El Centro; Array 07, Imperial Valley College | USGS | 32.829 | -115.504 | 120.6 | 128 | 1 | Episensor | 90 | 5.89 | 0.24 |
| 2 | Episensor | 360 | 4.79 | 0.24 | |||||||||
| 3 | Episensor | UP | -1.06 | 0.08 | |||||||||
| 412 | K2 | 589 | CA: El Centro; Array 10, Regional Hospital | USGS | 32.781 | -115.536 | 121.8 | 131 | 1 | FBA-2g | 230 | -4.51 | 0.31 |
| 2 | FBA-2g | UP | 1.24 | 0.08 | |||||||||
| 3 | FBA-2g | 320 | -14.85 | -0.62 | |||||||||
| 464 | Etna | 2027 | CA: El Centro; Meadows Union School | USGS | 32.800 | -115.473 | 124.9 | 129 | 1 | Episensor | 90 | 4.91 | -0.24 |
| 2 | Episensor | 360 | 9.04 | 0.56 | |||||||||
| 3 | Episensor | UP | 1.14 | -0.07 | |||||||||
| 5053 | K2 | 529 | CA: Calexico; Fire Station | USGS | 32.669 | -115.493 | 133.2 | 134 | 1 | FBA-2g | 360 | 10.23 | -0.50 |
| 2 | FBA-2g | UP | 1.55 | 0.08 | |||||||||
| 3 | FBA-2g | 90 | -5.99 | -0.25 | |||||||||