USGS National Engineering Strong-Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
January 24, 2009, Lower Cook Inlet, Alaska Earthquake (posted 02/02/2009)
Mw 5.7, 01/24/2009, 18:09 UTC, 01/24/2009, 09:09 AM AKST, 60.009 N, 152.403 W, 86 km depth, Regional Network ID# ak00088513
Sta Inst Inst State: City; Recorder Location Owner Lat Lon Dist Az Ch Sensor Orient PGA PGV PSA at:
Code type S/N     deg deg km deg No type deg cm/s/s cm/s 0.3 s 1.0 s 3.0 s
K220 K2 1087 AK:Anchorage;Kincaid Park UAA 61.1546 -150.0533 181.3 44 1 FBA-2g 360 -3.5 -0.23 1.28 0.261 0.0730
                  2 FBA-2g UP 4.1 -0.21 1.21 0.263 0.0481
                  3 FBA-2g 90 4.4 -0.33 1.17 0.510 0.0693
K207 K2 1089 AK:Anchorage;FCC UAA 61.1599 -150.0014 183.8 45 1 FBA-2g 360 -5.6 0.51 1.80 0.684 0.0847
                  2 FBA-2g UP 3.3 0.23 1.08 0.262 0.0479
                  3 FBA-2g 90 7.5 0.69 2.27 0.504 0.0543
8037 K2 1729 AK:Anchorage;NOAA Weather Facility USGS 61.1562 -149.9850 184.1 45 1 EpiSen 90 11.8 0.75 3.57 0.552 0.0562
                  2 EpiSen 360 -17.3 -1.32 5.89 1.270 0.1000
                  3 EpiSen UP -6.4 -0.24 1.32 0.221 0.0412
K204 K2 132 AK:Anchorage;Signature Flight Support UAA 61.1766 -150.0102 184.7 44 1 FBA-2g 360 8.0 0.56 2.08 0.557 0.0752
                  2 FBA-2g UP 4.8 0.26 0.77 0.216 0.0408
                  3 FBA-2g 90 15.0 1.17 2.99 0.886 0.0493
K222 K2 1088 AK:Anchorage;Chapel by the Sea UAA 61.0882 -149.8341 185.3 48 1 FBA-2g 360 -5.3 0.41 1.02 0.473 0.0399
                  2 FBA-2g UP 4.4 -0.26 0.79 0.253 0.0187
                  3 FBA-2g 90 -4.0 -0.31 1.04 0.733 0.0359
K221 K2 1091 AK:Anchorage;St James Ortho Church UAA 61.1525 -149.949 185.3 45 1 FBA-2g 360 -8.1 -0.79 2.71 1.080 0.0747
                  2 FBA-2g UP -4.6 -0.28 0.97 0.185 0.0257
                  3 FBA-2g 90 8.4 0.58 2.76 0.696 0.0476
8007 K2 1746 AK:Anchorage;International Airport USGS 61.1824 -149.9966 185.7 44 1 EpiSen 90 -9.4 0.92 2.03 0.648 0.0668
                  2 EpiSen 360 6.4 -0.42 1.52 0.763 0.1050
                  3 EpiSen UP -2.8 -0.26 0.81 0.389 0.0403
8036 K2 1731 AK:Anchorage;DOI OAS USGS 61.1779 -149.9657 186.5 45 1 EpiSen 90 -11.2 0.86 1.99 0.723 0.1060
                  2 EpiSen 360 -7.8 0.64 2.31 0.866 0.0859
                  3 EpiSen UP 3.5 0.28 1.00 0.305 0.0613
8025 K2 1743 AK:Anchorage;BS Lutheran Church USGS 61.1471 -149.8939 187.1 46 1 EpiSen 90 6.8 0.47 1.14 0.349 0.0470
                  2 EpiSen 360 -4.4 0.26 1.14 0.328 0.0437
                  3 EpiSen UP -1.4 0.10 0.33 0.146 0.0359
8024 K2 1751 AK:Anchorage;Dowl Engr Warehouse USGS 61.1832 -149.8853 190.1 45 1 EpiSen 90 -4.1 0.29 1.37 0.241 0.0370
                  2 EpiSen 360 5.0 -0.40 1.63 0.307 0.0665
                  3 EpiSen UP -1.3 -0.09 0.32 0.120 0.0347
8016 K2 2144 AK:Anchorage;BP Building USGS 61.1922 -149.8645 191.6 45                
      14th floor, NE           1 FBA-11 270 5.6 -0.68 1.02 0.392 0.1370
      14th floor, SW           2 FBA-11 270 -4.1 -0.58 0.71 0.336 0.1250
      8th floor, NE (suspect sensor response)           3 FBA-11 270          
      8th floor, SW           4 FBA-11 270 5.7 -0.49 1.03 0.354 0.0944
      14th floor, center           5 FBA-2g 360 3.1 -0.44 0.83 0.366 0.1270
      8th floor, center           6 FBA-11 360 3.7 -0.38 0.78 0.199 0.1000
      Basement, NW           7 FBA-11 UP 1.5 0.11 0.45 0.124 0.0375
      Basement, SE           8 FBA-11 UP 1.1 0.11 0.40 0.117 0.0264
      Basement, SE           9 FBA-11 270 4.3 0.27 1.26 0.205 0.0442
      Adjacent downhole, 2'           10 FBA-11 90 5.2 -0.26 1.93 0.217 0.0473
      Adjacent downhole, 2'           11 FBA-11 360 -4.0 -0.27 1.66 0.247 0.0468
      Adjacent downhole, 2'           12 FBA-11 UP 1.3 0.10 0.37 0.108 0.0294
8016 K2 2133 AK:Anchorage;BP Bldg (site visit needed) USGS 61.1922 -149.8645 191.6 45                
K212 K2 133 AK:Anchorage;BLM UAA 61.1562 -149.7916 191.9 47 1 FBA-2g 360 4.0 -0.21 1.06 0.237 0.0315
                  2 FBA-2g UP 1.4 0.10 0.25 0.192 0.0215
                  3 FBA-2g 90 -3.0 -0.19 0.71 0.215 0.0248
8040 K2 2153 AK:Anchorage;R B Atwood Bldg USGS 61.2153 -149.8930 192.2 45                
      Basement, NW corner           1 EpiSen 90 -4.4 0.34 1.01 0.517 0.0395
      Basement, NW corner           2 EpiSen 360 -4.7 0.45 1.20 0.542 0.0563
      Basement, NW corner           3 EpiSen UP -3.5 -0.26 0.88 0.207 0.0510
      Basement, SW corner           4 EpiSen UP -4.3 -0.31 0.87 0.211 0.0504
      Level 1, west side           5 EpiSen 360 -4.5 0.44 1.18 0.531 0.0564
      not used           6 EpiSen            
      Basement, NE corner           7 EpiSen UP 3.8 0.28 0.94 0.211 0.0509
      Level 1, east side           8 EpiSen 360 -5.0 0.45 1.23 0.507 0.0569
      Level 1, east side           9 EpiSen 90 -4.7 0.36 1.10 0.505 0.0404
      Level 2, west side           10 EpiSen 360 -4.4 0.44 1.18 0.535 0.0604
      Level 2, east side           11 EpiSen 360 -4.8 0.45 1.18 0.545 0.0588
      Level 2, east side           12 EpiSen 90 -5.1 -0.35 1.05 0.536 0.0460
8040 K2 2154 AK:Anchorage;R B Atwood Bldg USGS 61.2153 -149.8930 192.2 45                
      Level 7, west side           1 EpiSen 360 -7.8 -0.74 1.43 0.618 0.0874
      Level 7, east side           2 EpiSen 360 8.0 -0.63 1.50 0.640 0.0822
      Level 7, east side           3 EpiSen 90 9.0 0.81 2.11 0.731 0.0794
      Level 8, west side           4 EpiSen 360 -8.1 -0.79 1.39 0.590 0.0981
      Level 8, east side           5 EpiSen 360 8.5 -0.70 1.52 0.638 0.0887
      Level 8, east side           6 EpiSen 90 8.6 0.83 2.16 0.744 0.0875
      Level 13, west side           7 EpiSen 360 -6.4 0.72 1.47 0.386 0.1720
      Level 13, east side           8 EpiSen 360 -6.4 -0.70 1.50 0.389 0.1600
      Level 13, east side           9 EpiSen 90 -7.2 0.70 1.63 0.509 0.1240
      Level 14, west side           10 EpiSen 360 -5.6 -0.79 1.51 0.392 0.1870
      Level 14, east side           11 EpiSen 360 -5.6 -0.75 1.47 0.389 0.1740
      Level 14, east side           12 EpiSen 90 -6.6 0.62 1.77 0.406 0.1350
8040 K2 2155 AK:Anchorage;R B Atwood Bldg (inop) USGS 61.2153 -149.8930 192.2 45                
8030 K2 1741 AK:Anchorage;Police HQ USGS 61.1795 -149.8058 193.0 46 1 EpiSen 90 -6.4 0.45 1.70 0.274 0.0331
                  2 EpiSen 360 6.4 -0.33 2.30 0.220 0.0390
                  3 EpiSen UP -1.7 -0.09 0.31 0.171 0.0293
8011 K2 1747 AK:Anch;Russian Jack Spring St Park USGS 61.2089 -149.7860 196.0 46 1 EpiSen 90 -2.3 -0.15 0.65 0.184 0.0487
                  2 EpiSen 360 -2.5 -0.20 0.96 0.216 0.0419
                  3 EpiSen UP -1.4 -0.09 0.23 0.171 0.0352
8019 K2 528 AK:Eagle River;Alaska Geol Materials USGS 61.3493 -149.5411 216.2 45 1 FBA-2g 360 -2.8 0.14 0.49 0.172 0.0144
                  2 FBA-2g UP 1.4 -0.07 0.23 0.082 0.0161
                  3 FBA-2g 90 3.3 0.12 0.41 0.133 0.0171
K218 K2 863 AK:Anchorage;PTWC UAA $61.593 -$149.130 250.8 44 1 FBA-2g 360 -1.0 0.07 0.22 0.079 0.0206
                  2 FBA-2g UP 0.5 0.05 0.14 0.050 0.0198
                  3 FBA-2g 90 -1.4 0.10 0.28 0.146 0.0122
2784 K2 1728 AK:Valdez;Valdez City Hall USGS 61.1304 -146.3547 354.3 67 1 EpiSen 90 5.2 0.40 1.30 0.368 0.0214
                  2 EpiSen 360 3.3 -0.27 1.20 0.322 0.0181
                  3 EpiSen UP -2.8 -0.22 0.73 0.200 0.0144