Phase Data

Explanation of Parameters


     12 SEP 2011  (255)

     ot  = 14:18:34.06   +/-   1.30              WESTERN TEXAS                   
     lat =      32.822   +/-    3.7
     lon =    -100.871   +/-    2.6              MAGNITUDE 3.4 (GS)       
     dep =         7.9   +/-   11.2   

     12 km (7 miles) NNE of Snyder, Texas (pop 12,000)
     58 km (36 miles) NW of Sweetwater, Texas (pop 11,000)
     124 km (77 miles) SE of Lubbock, Texas (pop 199,000)
     410 km (255 miles) NW of AUSTIN, Texas
 
     mblg 3.4 (GS).

     nph =   30 of  44    se = 0.71    FE=498                            A   

     error ellipse = (128.7, 84.2, 17.4;  3.8,  3.3,  5.6;273.5,  4.7,  3.7)

 mb = 0.0 (  0)  ML = 4.3 (  9)  mblg = 3.4 ( 25)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 ABTX ePg     14:18:54.29   0.0    1.1 100 L:6.8-1 .15 2.9X                  ABTX
      eSg     14:19:05.06  S res =  -2.9X
 MSTX ePn     14:19:07.86   0.1    2.0 306 L:6.0+0 .68 4.4  g:2.1-1 .73 3.5  MSTX
      eSn     14:19:32.75  S res =   0.2X
 AMTX ePn     14:19:11.43   0.9    2.2 342 L:4.2+0 .57 4.3  g:1.0-1 .80 3.1  AMTX
      eSn     14:19:39.11  S res =   1.5X
 JCT  ePn     14:19:15.92   0.7    2.5 158 L:3.0+0 .60 4.4  g:5.4-1 .73 4.0  JCT 
      eSn     14:19:47.56  S res =   1.6X
 CPRX ePn     14:19:16.48   0.9    2.5 276                                   CPRX
      eSn     14:19:48.94  S res =   2.3X
 WMOK ePn     14:19:16.98   0.7    2.6  42 L:4.1-1 .43 3.5  g:9.0-2 .98 3.1  WMOK
 GDL2 ePn     14:19:17.04  -5.2X   3.0 259                                   GDL2
      eSn     14:19:49.04  S res =  -9.6X
 CLNB ePn     14:19:17.37   0.8    2.6 258                                   CLNB
 WHTX ePn     14:19:22.50   0.5    3.0 105 L:2.2+0 .55 4.5  g:1.8-1 .90 3.5  WHTX
 MNTX ePn     14:19:35.61   0.2    4.0 255 L:4.0-1 .63 4.2  g:1.1-1 .82 3.4  MNTX
 TX31 ePn     14:19:38.95   0.1    4.2 215                                   TX31
 BNM  ePn     14:19:48.81  -0.7    5.0 287                                   BNM 
 ANMO ePn     14:19:49.70  -1.4    5.1 296 L:2.4-1 .73 4.3  g:9.0-2 .75 3.6  ANMO
      eSg     14:21:08.67  S res =  -9.5X
 LPM  ePn     14:19:49.95  -0.1    5.0 289                                   LPM 
 TUL1 ePn     14:19:52.66   0.4    5.2  52 L:4.5-1 .88 4.6  g:8.0-2 .77 3.5  TUL1
 T25A ePn     14:19:53.14   0.8    5.2 327 L:3.2-1 .82 4.4  g:1.0-1 .90 3.5  T25A
 LAZ  ePn     14:19:55.24  -0.7    5.5 288                                   LAZ 
 CBKS ePn     14:20:04.54   0.7    6.0   8 L:3.8-1 .90 4.6X g:7.0-2 1.0 3.4  CBKS
 KSCO ePn     14:20:07.65  -0.3    6.3 348 L:4.6-1 .77 4.8X g:5.0-2 .75 3.5  KSCO
      ePg     14:20:28.29  -7.1X
 MIAR ePn     14:20:07.67   0.1    6.3  72 L:1.1-1 .65 4.1X g:7.0-2 .88 3.5  MIAR
 SDCO ePn     14:20:08.27   2.1X   6.2 324 L:9.0-2 .85 4.0X g:5.0-2 1.1 3.3  SDCO
      ePg     14:20:24.44  -8.4X
 WLAR ePn     14:20:09.56  -1.2    6.6  80 L:3.5-1 .58 4.7X g:4.0-2 .87 3.3  WLAR
 HHAR ePn     14:20:11.48  -1.0    6.7  57 L:1.0-1 .67 4.2X g:5.0-2 .96 3.4  HHAR
 S22A ePn     14:20:13.66  -2.4X   6.9 317 L:6.0-2 1.2 4.0X g:4.0-2 1.2 3.2  S22A
      ePg     14:20:39.17  -7.4X
 Q24A ePn     14:20:17.51  -0.3    7.0 332 L:1.2-1 .88 4.3X g:3.0-2 .70 3.3  Q24A
      ePg     14:20:41.68  -7.3X
 319A ePn     14:20:19.82  -1.0    7.3 261 L:1.6-1 .55 4.5X g:3.0-2 .70 3.4  319A
 X301 ePn     14:20:22.95   0.1    7.4  69 L:7.0-2 .63 4.1X g:5.0-2 1.0 3.4  X301
 WHAR ePn     14:20:23.80  -0.4    7.5  69 L:7.0-2 1.4 4.2X g:2.0-2 .80 3.2  WHAR
 MVCO ePn     14:20:25.59  -0.1    7.6 307 L:9.0-2 1.6 4.3X g:3.0-2 .90 3.3  MVCO
 CCAR ePn     14:20:26.56   0.2    7.7  79 L:1.5-1 .74 4.5X g:4.0-2 .84 3.4  CCAR
 W18A ePn     14:20:27.65   0.8    7.7 290 L:1.0-1 .73 4.3X g:3.0-2 1.0 3.2  W18A
 LNIG ePn     14:20:30.12  -0.4    8.0 171 g:2.0-2 1.0 3.1                   LNIG
 OGNE ePn     14:20:32.38  -0.5    8.2 354 L:2.5-1 .88 4.8X g:9.0-2 .75 3.9  OGNE



 Generated 2011 SEP 12 at 15:42 UTC

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