Phase Data

Explanation of Parameters


     24 FEB 2013  ( 55)

     ot  = 10:35:52.38   +/-   1.28              NORTHERN TEXAS                  
     lat =      32.440   +/-    8.9
     lon =     -96.868   +/-    8.1              MAGNITUDE 2.4 (GS)       
     dep =         5.0   +/-    3.3   

     6 km (4 miles) NNW of Waxahachie, Texas (pop 18,000)
     39 km (24 miles) S of Dallas, Texas (pop 1,188,000)
     50 km (31 miles) ENE of Cleburne, Texas (pop 22,000)
     255 km (158 miles) NNE of AUSTIN, Texas
 
     Felt at Cedar Hill.

     nph =   18 of  28    se = 0.63    FE=500                            A   

     error ellipse = (140.0,  0.0, 16.4; 50.0,  2.0,  9.0;245.0, 87.0,  5.0)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 2.4 (  8)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 WHTX ePg     10:36:03.78  -1.5    0.7 228                                   WHTX
      eSg     10:36:12.49  S res =  -1.5 
 435B ePn     10:36:23.95   0.4    1.8 201                                   435B
 ABTX ePn     10:36:31.96   0.2    2.3 275 g:4.0-2 1.1 2.8                   ABTX
      eSn     10:37:02.67  S res =   1.7 
 WMOK ePn     10:36:37.31  -0.5    2.8 326 g:1.0-2 .95 2.1                   WMOK
      eSn     10:37:12.23  S res =   0.3 
 JCT  ePn     10:36:42.93  -0.2    3.2 233 g:3.0-2 .70 2.8                   JCT 
      ePg     10:36:51.74   2.4 
      eSn     10:37:21.43  S res =   0.0 
      eSg     10:37:37.07  S res =   8.6X
 WLAR ePn     10:36:45.71  -0.2    3.4  67                                   WLAR
 MIAR ePn     10:36:47.04   0.1    3.5  52                                   MIAR
      eSn     10:37:31.92  S res =   3.6X
 W39A ePn     10:36:51.80   0.7    3.8  42                                   W39A
 TUL1 ePg     10:36:54.24  -1.9X   3.6  14                                   TUL1
 833A ePn     10:36:59.33  -3.9X   4.7 209                                   833A
 W41B ePn     10:37:04.15   0.0    4.7  53                                   W41B
 AMTX ePn     10:37:04.32   0.3    4.7 303 g:1.0-2 .82 2.6                   AMTX
      eSn     10:37:57.95  S res =  -1.0 
 MSTX ePn     10:37:11.05   0.4    5.2 289 g:1.0-2 .82 2.3                   MSTX
 T42A ePn     10:37:29.41  -0.6X   6.6  45                                   T42A
 TX31 ePn     10:37:29.69  -1.1X   6.6 244                                   TX31
      ePn     10:37:29.84  -0.5 
      eSg     10:39:18.39  S res =  11.1X
 MNTX ePn     10:37:41.16   1.9X   7.3 266                                   MNTX
      eSn     10:38:58.12  S res =  -4.0X
      eSg     10:39:39.00  S res =  13.0X



 Generated 2013 FEB 24 at 11:14 UTC

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