Phase Data

Explanation of Parameters


     17 APR 2013  (107)

     ot  = 12:24:00.52   +/-   1.48              OKLAHOMA                        
     lat =      35.675   +/-   16.7
     lon =     -97.114   +/-    4.3              MAGNITUDE 2.8 (GS)       
     dep =         5.0   +/-    2.0   

     36 km (22 miles) SE of Guthrie, Oklahoma (pop 10,000)
     42 km (26 miles) NNW of Shawnee, Oklahoma (pop 26,000)
     43 km (27 miles) ENE of OKLAHOMA CITY, Oklahoma (pop 506,000)
     49 km (31 miles) S of Stillwater, Oklahoma (pop 36,000)

     nph =   12 of  38    se = 0.73    FE=499                            A   

     error ellipse = (347.0,  0.0, 26.6; 78.0, 41.0,  3.2;257.0, 48.0,  2.9)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 2.8 (  1)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 OK002ePg     12:24:02.79  -0.6    0.1 208                                   OK00
 TUL1 ePg     12:24:19.70  -1.9    1.1  77 g:2.0-2 .75 2.2                   TUL1
 WMOK ePn     12:24:29.64  -0.6    1.6 236 g:2.0-2 .75 2.3                   WMOK
      eSn     12:24:52.06  S res =   0.2 
 HHAR ePn     12:24:44.39   0.5    2.6  76 g:2.0-2 .87 2.6                   HHAR
      eSn     12:25:17.26  S res =   0.9X
 W39A ePn     12:24:45.42   0.0    2.8  99 g:2.0-2 .90 2.6                   W39A
      eSn     12:25:24.66  S res =   5.5X
 MIAR ePn     12:24:50.31   0.1    3.1 110 g:2.0-2 .70 2.6                   MIAR
      eSn     12:25:28.55  S res =   0.7 
 WHTX ePn     12:24:57.64  -0.5    3.7 185                                   WHTX
 AMTX ePn     12:25:00.45   0.4    3.8 259 g:2.0-2 .85 2.6                   AMTX
 W41B ePn     12:25:00.47  -2.1X   4.0  96 g:1.0-2 .88 2.5                   W41B
      eSg     12:26:04.62  S res =   4.3X
 WLAR ePn     12:25:00.93   0.6    3.8 120                                   WLAR
 WHAR ePn     12:25:01.41  -0.5    4.0  94 g:3.0-2 1.0 2.9                   WHAR
      eSg     12:26:04.72  S res =   5.8X
 X40A ePg     12:25:07.15   0.7X   3.7 107 g:2.0-2 .98 2.7                   X40A
      eSg     12:25:56.65  S res =   5.0X
 JCT  ePg     12:25:42.45   2.8X   5.7 204 g:7.2-1 1.1 3.0                   JCT 
      eLg     12:27:00.17  -5.2X
 T25A ePg     12:25:52.27   5.5X   6.1 286 g:1.0-2 .90 2.8                   T25A
      eSg     12:27:11.72  S res =  12.0X
 CBKS eSn     12:25:58.79  14.7X   3.8 327 g:2.0-2 .85 2.7                   CBKS
 CCM  eSg     12:26:32.76  -4.0X   5.3  62 g:2.0-2 .85 2.9                   CCM 
 W18A ePn     12:26:32.87   3.5X  10.3 271                                   W18A
 MSTX eLR     12:26:38.65          5.0 252                                   MSTX
 PBMO eSg     12:26:53.14   9.4X   5.5  77 g:2.0-2 .75 2.8                   PBMO
 KSCO eLR     12:26:57.55          5.5 309                                   KSCO
 FVM  eSg     12:27:03.02  10.0X   5.8  65 g:1.0-2 .80 2.8                   FVM 
 N41A eSg     12:27:41.52  14.0X   7.0  43 g:3.0-2 .85 3.3                   N41A
 GDL2 eLR     12:27:42.21          7.0 242                                   GDL2
 SDCO eLR     12:27:43.56          7.1 290                                   SDCO
 MNTX eSg     12:28:06.19  12.4X   8.0 242                                   MNTX
 L40A eSg     12:28:07.60  16.5X   7.9  34 g:2.0-2 .98 3.1                   L40A
 ISCO eSg     12:28:08.79  16.4X   7.9 304                                   ISCO
 TX31 eSg     12:28:23.42  16.6X   8.4 223                                   TX31
      eSg     12:28:26.00  S res =  18.5X



 Generated 2013 APR 17 at 12:51 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver