Phase Data

Explanation of Parameters


      4 FEB 2010  ( 35)

     ot  = 09:41:28.22   +/-   0.33              TEXAS PANHANDLE REGION          
     lat =      35.478   +/-    3.6
     lon =    -102.562   +/-    3.6              MAGNITUDE 3.3 (RMT)      
     dep =         5.0  (geophysicist)

     65 km (40 miles) S of Dalhart, Texas (pop 6,000)
     70 km (45 miles) SW of Dumas, Texas (pop 12,000)
     70 km (45 miles) WNW of Amarillo, Texas (pop 173,000)
     735 km (455 miles) NW of AUSTIN, Texas

     nph =   22 of  34    se = 0.78    FE=497                            A   

     error ellipse = (138.8,  0.0,  4.9; 48.8,  0.0,  4.5;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 3.6 ( 11)  mblg = 3.3 ( 13)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 AMTX Pg      09:41:46.86   0.7    0.9 129                                   AMTX
      Sg      09:42:00.86  S res =   2.6X
 MSTX ePn     09:41:55.30  -0.8    1.5 187 L:5.1-1 .43 3.1  g:5.6+1 .77 5.8X MSTX
      eS      09:42:17.31  S res =   0.4X
 CPRX ePn     09:42:12.58   0.6    2.7 204 d:1.9+2     4.7X L:6.3-2 .30 2.8  CPRX
                                           g:3.2-2 .68 2.8 
 ANMO ePn     09:42:19.73  -0.1    3.2 262 g:8.5-2 .83 3.2                   ANMO
      eSn     09:43:04.80  S res =   5.9X
 SDCO ePn     09:42:21.37   0.9    3.3 315 d:3.8+2     5.6X L:1.7-1 .43 3.5  SDCO
      eSg     09:43:07.91  S res =  -5.5X  g:7.3-2 .78 3.2 
 CLNB ePn     09:42:22.06   0.2    3.4 199 d:1.7+2     4.9X L:1.1-1 .42 3.4  CLNB
                                           g:2.2-2 .92 2.6 
 LPM  ePn     09:42:23.80  -0.3    3.5 252                                   LPM 
 KSCO ePn     09:42:24.05   0.2    3.5 359                                   KSCO
 BNM  ePn     09:42:24.65  -0.2    3.6 250 d:4.0+2     5.7X L:1.8-1 .24 3.7  BNM 
      eSn     09:43:12.31  S res =   4.4X  g:6.5-2 .64 3.3 
 GDL2 ePn     09:42:24.92   0.2    3.6 205                                   GDL2
 ABTX ePn     09:42:27.08   0.5    3.7 139 L:2.8-1 .13 3.9  g:1.3-1 .65 3.6  ABTX
 LENM qPn     09:42:27.90  -0.5    3.9 251                                   LENM
 LAZ  ePn     09:42:28.61  -0.5    3.9 255 d:2.7+2     5.5X L:5.1-2 .54 3.3  LAZ 
                                           g:1.9-2 .62 2.8 
 MNTX ePn     09:42:36.51   0.2    4.4 213 d:3.9+2     6.0X L:1.3-1 .45 3.8  MNTX
                                           g:1.1-1 .88 3.5 
 ISCO ePn     09:42:44.37   0.9    4.9 332 L:1.1-1 .60 3.9  g:3.3+1 .88 6.0X ISCO
 121A ePn     09:42:46.73  -0.6    5.2 237 d:2.4+2     5.9X L:1.1-1 .63 3.9  121A
                                           g:6.0-2 .63 3.5 
 WHTX ePn     09:42:49.98  -0.7    5.5 128 L:1.1-1 .47 4.0X                  WHTX
 TUL1 ePn     09:42:52.13   1.0    5.5  84 g:7.8-2 .85 3.5                   TUL1
 KSU1 ePn     09:42:57.43   0.2    6.0  51 g:1.1-1 .86 3.7                   KSU1
      eSn     09:44:04.29  S res =  -1.6X
 MVCO ePn     09:42:58.19  12.8X   5.1 291 L:8.0-2 .47 3.8  g:3.3-2 .84 3.1  MVCO
 W18A ePn     09:42:58.90   2.7X   5.9 269                                   W18A
 SMCO ePb     09:43:01.19   3.0X   5.1 318                                   SMCO
 BGNE ePn     09:43:08.07  -1.4    6.9  29 L:5.6-1 .98 4.9X                  BGNE
 SRU  ePn     09:43:16.91   1.1    7.3 302                                   SRU 
 RWWY ePn     09:43:20.14   5.9X   7.2 331                                   RWWY
 PHWY ePb     09:43:24.74   7.2X   6.2 340 L:9.0-2 .85 4.0X                  PHWY
      eSb     09:44:39.81  S res =   7.1X
 ECSD ePn     09:43:43.21  -1.5    9.4  27 g:2.5-2 .87 3.4                   ECSD



 Generated 2010 FEB  5 at 03:46 UTC

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