USGS National-Strong Motion Project
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
February 26, 2007, Offshore Northern California, CA Earthquake (posted 03/20/2007; updated 02/09/2009)
Mw 5.4, 02/26/2007, 12:19 UTC, 02/26/2007, 04:19 AM PST, 40.642 N, 124.870 W, 0.4 km depth, Regional Network ID# nc40193932
Sta Inst Inst State: City; Recorder Location Owner Lat Lon Dist Az Ch Sensor Orient PGA PGV PSA at:
No type S/N     deg deg km deg No type deg cm/s/s cm/s 0.3 s 1.0 s 3.0 s
1725 Etna 2039 CA:Ferndale; Centerville B&B USGS 40.5441 -124.3544 45.0 104 1 EpiSen 90 -9.9 0.451 1.94 0.773 0.1240
                  2 EpiSen 360 7.4 -0.501 1.52 0.758 0.1190
                  3 EpiSen UP 5.1 0.238 0.852 0.271 0.0697
1023 Etna 1990 CA:Ferndale; Fire Station USGS 40.5762 -124.2637 51.9 98 1 EpiSen 90 15.9 -1.140 3.88 1.360 0.1450
                  2 EpiSen 360 -18.5 1.480 6.86 1.600 0.1280
                  3 EpiSen UP -8.7 -0.561 2.56 0.713 0.0964
1586 Etna 1993 CA:Loleta; Fire Station USGS 40.6440 -124.2210 54.9 90 1 EpiSen 90 -11.0 -0.610 2.01 0.704 0.1090
                  2 EpiSen 360 11.0 -0.970 2.38 1.110 0.1550
                  3 EpiSen UP -8.1 0.282 1.33 0.286 0.0461
1581 Etna 2021 CA:Eureka; South Bay School USGS 40.7350 -124.2076 57.0 79 1 EpiSen 270 14.4 -0.984 2.33 1.050 0.0994
                  2 EpiSen 180 -14.7 0.936 1.81 0.741 0.1680
                  3 EpiSen UP 5.8 -0.286 1.25 0.377 0.0675
1746 Etna 2011 CA:Fortuna; Fire Station USGS 40.5891 -124.1479 63.1 95 1 EpiSen 90 5.8 -0.557 0.653 0.564 0.0751
                  2 EpiSen 360 6.3 -0.372 0.576 0.509 0.0967
                  3 EpiSen UP 3.4 -0.170 0.41 0.237 0.0488
1580 Etna 2023 CA:Arcata; Humboldt State Univ USGS 40.8741 -124.0764 71.9 69 1 EpiSen 90 -5.2 0.380 1.21 0.226 0.0423
                  2 EpiSen 360 4.1 -0.228 0.626 0.099 0.0495
                  3 EpiSen UP 1.8 -0.083 0.245 0.086 0.0201