Phase Data

Explanation of Parameters


     10 MAR 2013  ( 69)

     ot  = 13:47:35.40   +/-   1.28              NORTHERN TEXAS                  
     lat =      32.503   +/-    4.0
     lon =     -97.499   +/-    3.0              MAGNITUDE 2.7 (GS)       
     dep =         4.3   +/-   11.0   

     20 km (13 miles) NNW of Cleburne, Texas (pop 22,000)
     30 km (18 miles) SW of Fort Worth, Texas (pop 534,000)
     73 km (45 miles) WSW of Dallas, Texas (pop 1,188,000)
     249 km (155 miles) N of AUSTIN, Texas

     nph =   20 of  23    se = 0.53    FE=500                            A   

     error ellipse = (166.5, 78.6, 17.3;332.1, 11.1,  5.5; 62.6,  2.8,  4.3)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 2.7 ( 10)  md = 4.1 (  3)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 WHTX ePg     13:47:45.23   0.0    0.5 176 d:1.1+2     3.4                   WHTX
 435B ePn     13:48:05.92  -0.1    1.7 182 d:1.6+2     4.2                   435B
      eSn     13:48:29.33  S res =   0.9X
 ABTX ePn     13:48:07.19  -0.2    1.8 274 d:1.6+2     4.2                   ABTX
      eSn     13:48:31.83  S res =   0.9X
 WMOK ePn     13:48:17.03   0.6    2.5 335 g:6.0-2 .77 3.0                   WMOK
      eSn     13:48:46.82  S res =  -0.3X
 NATX ePn     13:48:17.13   0.0    2.5 106 d:1.6+1     2.5X g:3.0-2 .80 2.7  NATX
 JCT  ePn     13:48:21.21   0.0    2.8 225                                   JCT 
 HKT  ePn     13:48:23.45   1.0    2.9 150                                   HKT 
 MIAR ePn     13:48:35.04  -0.5    3.9  57                                   MIAR
 WLAR ePn     13:48:35.95   0.3    3.9  71 g:2.0-2 .82 2.7                   WLAR
 Z41A ePn     13:48:36.97  -0.8    4.0  78 g:2.0-2 1.0 2.6                   Z41A
 W39A ePn     13:48:39.67   0.9    4.1  48 g:2.0-2 .80 2.7                   W39A
 AMTX ePn     13:48:40.95   0.4    4.2 305 d:1.1+2     4.9X g:4.0-2 .70 3.1  AMTX
 X40A ePn     13:48:42.21  -0.3    4.4  62 g:1.0-2 .70 2.5                   X40A
 833A ePn     13:48:44.19   0.2    4.5 202                                   833A
 MSTX ePn     13:48:47.01   0.4    4.7 290 g:2.0-2 .75 2.8                   MSTX
 HHAR ePn     13:48:47.67  -0.6    4.8  37 g:1.0-2 .71 2.6                   HHAR
 GDL2 ePn     13:49:02.12  -0.4    5.8 269                                   GDL2
 TX31 ePn     13:49:06.72  -0.7    6.2 241                                   TX31
 MNTX ePn     13:49:14.96  -0.1    6.7 265 d:2.4+2     6.5X g:9.9-3 .77 2.8  MNTX
 T42A ePn     13:49:17.78  -0.1    6.9  48                                   T42A



 Generated 2013 MAR 10 at 14:30 UTC

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