Phase Data

Explanation of Parameters


     25 JAN 2013  ( 25)

     ot  = 07:01:19.47   +/-   1.57              EASTERN TEXAS                   
     lat =      31.913   +/-    8.4
     lon =     -94.426   +/-    6.7              MAGNITUDE 4.1 (GS)       
     dep =         5.0   +/-    2.0   

     41 km (25 miles) NNE of Nacogdoches, Texas (pop 30,000)
     70 km (43 miles) NNE of Lufkin, Texas (pop 30,000)
     243 km (151 miles) ESE of Dallas, Texas
     365 km (227 miles) ENE of AUSTIN, Texas

     nph =   33 of 210    se = 0.77    FE=503                            A   

     error ellipse = (147.0,  0.0, 14.5;237.0,  2.0,  8.0; 54.0, 87.0,  3.0)

 mb = 3.9 ( 52)  ML = 0.0 (  0)  mblg = 4.1 (  1)  md = 4.8 (  2)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 NATX ePg     07:01:24.74   0.4    0.3 233 d:4.4+2     4.5                   NATX
      eSg     07:01:30.15  S res =   2.5 
 Z41A ePn     07:01:52.62  -0.2    1.9  45 d:4.3+2     5.1  g:1.6+0 1.0 4.3  Z41A
 WHTX ePn     07:02:01.42  -0.4    2.6 273 g:2.9-1 .80 3.7                   WHTX
 MIAR ePn     07:02:03.38  -0.5    2.7  15 g:7.4-1 .95 4.2                   MIAR
      eSn     07:02:38.08  S res =   1.0 
 X37A ePn     07:02:04.98   0.3    2.8 344 g:4.1-1 .85 3.9                   X37A
 X40A ePn     07:02:05.26  -1.0    2.9  27 g:4.6-1 .85 4.0                   X40A
 435B ePn     07:02:06.17  -0.5    2.9 248 g:1.7+0 1.2 4.5                   435B
 CCAR ePn     07:02:07.89   0.3    3.0  48 g:1.6+0 1.0 4.5                   CCAR
 VBMS ePn     07:02:11.96  -0.3    3.3  84 g:7.5-1 .77 4.2                   VBMS
 UALR ePn     07:02:12.52   0.1    3.3  31 g:4.8-1 .95 4.1                   UALR
 W39A ePn     07:02:12.61   0.6    3.3   9 g:3.9-1 .85 4.0                   W39A
      eSn     07:02:54.03  S res =   2.2 
 W41B ePn     07:02:18.12   0.5    3.7  29 g:2.7-1 .70 3.8                   W41B
 WHAR ePn     07:02:19.25   0.4    3.8  27 g:3.8-1 1.1 4.0                   WHAR
      eSn     07:03:02.73  S res =  -1.3 
 X43A ePn     07:02:21.24   0.6    4.0  48 g:7.9-1 1.1 4.3                   X43A
 TUL1 ePn     07:02:23.31  -0.1    4.2 345 g:8.2-1 1.0 4.4                   TUL1
 346A ePn     07:02:23.73  -1.3    4.3  96 g:3.9-1 .95 4.1                   346A
 Z45A ePn     07:02:24.26  -0.6    4.3  69 g:1.8+0 1.2 4.7                   Z45A
      eSn     07:03:15.40  S res =   0.5 
 HHAR ePn     07:02:26.56  -0.1    4.4   5 g:3.9-1 1.0 4.1                   HHAR
      eSn     07:03:19.70  S res =   1.7 
 ABTX ePn     07:02:27.67  -0.3    4.5 281 g:4.8-1 .95 4.2                   ABTX
 146A ePn     07:02:29.17  -0.6    4.6  80 g:4.0-1 .85 4.1                   146A
 WMOK ePn     07:02:29.93   0.1    4.6 309 g:1.4-1 .82 3.7                   WMOK
      eSn     07:03:27.54  S res =   3.8 
 JCT  ePn     07:02:32.30  -0.5    4.8 254 g:8.4-1 .80 4.5                   JCT 
 HBAR ePn     07:02:33.18   0.7    4.8  40 g:4.2-1 .84 4.2                   HBAR
 OXF  ePn     07:02:33.81  -0.5    4.9  57 g:5.4-1 .85 4.3                   OXF 
      eSn     07:03:30.19  S res =  -1.7 
 MET  ePn     07:02:34.46   0.2    4.9  48 g:9.0-1 1.2 4.5                   MET 
 147A ePn     07:02:38.24  -0.6X   5.3  80 g:3.1-1 .95 4.1                   147A
      eSn     07:03:39.27  S res =  -0.7X
 GNAR ePn     07:02:41.40   0.0X   5.5  41 g:3.2-1 .93 4.1                   GNAR
 348A ePn     07:02:41.70  -1.5X   5.6  93 g:3.2-1 1.1 4.1                   348A
      eSn     07:03:46.62  S res =  -1.2X
 HALT ePn     07:02:46.04  -0.3X   5.8  45 g:3.2-1 .85 4.2                   HALT
 T42A ePn     07:02:46.09  -0.1X   5.8  27 g:1.4-1 .80 3.8                   T42A
 PARMOePn     07:02:50.35  -0.2X   6.1  38 g:3.2-1 .87 4.2                   PARM
 GLAT ePn     07:02:50.75   0.7X   6.1  43 g:5.5-1 .97 4.4                   GLAT
 PLAL ePn     07:02:50.88   0.2X   6.1  58 g:3.1-1 1.1 4.2                   PLAL
 BRAL ePn     07:02:52.10  -1.5X   6.3  95 g:2.2-1 1.0 4.0                   BRAL
 LRAL ePn     07:02:53.09  -1.0X   6.4  78 g:1.5-1 1.0 3.9                   LRAL
 X48A ePn     07:02:57.42  -0.9X   6.7  66 g:3.5-1 1.2 4.3                   X48A
 CCM  ePn     07:02:57.56  -0.4X   6.7  22 g:2.1-1 1.0 4.1                   CCM 
 AMTX ePn     07:02:59.06  -0.3X   6.8 298 g:2.6-1 .70 4.1                   AMTX
 250A ePn     07:03:00.77  -1.0X   6.9  87 g:1.0-1 .70 3.7                   250A
 WVT  ePn     07:03:00.99  -0.3X   6.9  51 g:1.7-1 .75 4.0                   WVT 
 Y49A ePn     07:03:01.72  -1.2X   7.0  72 g:2.2-1 .70 4.1                   Y49A
 SIUC ePn     07:03:05.17   0.0X   7.2  35 g:1.9-1 .85 4.0                   SIUC
 Z50A ePn     07:03:05.95  -0.9X   7.3  77 g:1.2-1 .88 3.8                   Z50A
 MSTX ePn     07:03:06.67  -0.4X   7.3 289 g:2.0-1 .98 4.1                   MSTX
 KSU1 ePn     07:03:06.97  -1.0X   7.4 347 g:3.2-1 .82 4.3                   KSU1
 V48A ePn     07:03:07.12  -0.9X   7.4  57 g:4.0-1 1.3 4.4                   V48A
 451A ePn     07:03:07.85  -2.2X   7.5  98 g:1.3-1 1.0 3.9                   451A
 SWET ePn     07:03:14.14   0.2X   7.8  63 g:1.3-1 .72 3.9                   SWET
 352A ePn     07:03:15.07  -2.8X   8.1  91 g:1.4-1 1.2 4.0                   352A
 LNIG ePn     07:03:15.58  -4.6X   8.3 214                                   LNIG
 T47A ePn     07:03:15.90   1.1X   7.9  48                                   T47A
 CBKS ePn     07:03:16.86  -1.4X   8.1 329 g:1.9-1 .98 4.1                   CBKS
 FVM  ePb     07:03:17.87  -1.7X   6.9  27 g:8.0-2 .82 3.7                   FVM 
 152A ePn     07:03:20.35   0.5X   8.3  82 g:1.4-1 1.0 4.0                   152A
 P42A ePn     07:03:20.45  -0.6X   8.3  22 g:3.1-1 .88 4.3                   P42A
 TX31 ePn     07:03:20.67  -0.9X   8.4 255                                   TX31
      ePn     07:03:21.00  -1.0X
 W50A ePn     07:03:20.72   0.4X   8.3  64 g:3.1-1 .82 4.3                   W50A
 Q44A ePn     07:03:21.10   1.3X   8.3  31 g:3.9-1 1.2 4.4                   Q44A
      eSg     07:05:43.45  S res =  -0.9X
 X51A ePn     07:03:21.25  -1.2X   8.4  69 g:3.2-1 1.1 4.4                   X51A
 GDL2 ePn     07:03:22.07  -0.5X   8.4 275                                   GDL2
 453A ePn     07:03:23.92  -2.1X   8.7  94 g:7.0-2 .85 3.7                   453A
 Y52A ePn     07:03:29.22   0.1X   8.9  75 g:1.5-1 1.2 4.1                   Y52A
 CPCT ePn     07:03:30.07   0.3X   9.0  64 g:2.2-1 1.1 4.2                   CPCT
 T49A ePn     07:03:31.32   1.5X   9.0  52 g:2.0-1 .95 4.2                   T49A
 WCI  ePn     07:03:32.13  -0.2X   9.2  44 g:1.2-1 .85 4.0                   WCI 
 V51A ePn     07:03:33.00  -0.3X   9.2  62 g:2.1-1 1.0 4.2                   V51A
 W52A ePn     07:03:33.85  -0.7X   9.3  67 g:1.3-1 .90 4.1                   W52A
 N41A ePn     07:03:34.12   0.8X   9.2  17 g:2.5-1 .93 4.3                   N41A
 GOGA ePn     07:03:34.25  -0.8X   9.4  78 g:1.4-1 1.1 4.1                   GOGA
 MNTX ePn     07:03:34.50  -0.1X   9.3 272 g:1.6-1 1.0 4.1                   MNTX
 P45A ePn     07:03:36.82   2.1X   9.3  34 g:2.2-1 1.1 4.3                   P45A
 HDIL ePn     07:03:37.29  -0.5X   9.6  24 g:4.3-1 .98 4.6                   HDIL
 154A ePn     07:03:39.00   0.5X   9.6  83 g:2.5-1 .95 4.3                   154A
 KSCO ePn     07:03:39.10  -1.2X   9.7 319 g:1.0-1 .80 4.0                   KSCO
 T25A ePn     07:03:39.65  -0.9X   9.7 305 g:3.8-1 1.2 4.5                   T25A
 V52A ePn     07:03:39.85  -1.5X   9.8  64 g:2.2-1 1.0 4.3                   V52A
 TKL  ePn     07:03:39.95   1.3X   9.6  64 g:2.7-1 1.1 4.4                   TKL 
 BGNE ePn     07:03:41.75  -1.2X   9.9 344 g:3.1-1 .73 4.4                   BGNE
 555A ePn     07:03:42.30  -1.4X  10.0  97                                   555A
      eSn     07:05:30.40  S res =  -5.9X
 SCIA ePn     07:03:44.50   0.4X  10.0   5                                   SCIA
 255A ePn     07:03:45.87  -0.1X  10.2  87                                   255A
      eSn     07:05:35.00  S res =  -5.3X
 BG3  ePn     07:03:45.96   1.0X  10.1  69                                   BG3 
 TZTN ePn     07:03:46.26   0.8X  10.1  60                                   TZTN
 V53A ePn     07:03:47.90  -0.9X  10.4  66                                   V53A
 HODGEePn     07:03:48.05  -2.2X  10.5  74                                   HODG
 L40A ePn     07:03:48.77  -1.1X  10.4  13                                   L40A
 BNM  ePn     07:03:49.65  -1.0X  10.5 286                                   BNM 
 ANMO ePn     07:03:50.28  -0.5X  10.5 290                                   ANMO
 656A ePn     07:03:50.35  -1.0X  10.6 101                                   656A
 456A ePn     07:03:50.45  -2.6X  10.7  93                                   456A
      eSn     07:05:49.77  S res =  -3.2X
 S51A ePn     07:03:51.45  -0.3X  10.6  54                                   S51A
 SDCO ePn     07:03:54.34  -0.7X  10.8 306                                   SDCO
 OGNE ePn     07:03:54.42  -1.7X  10.9 328                                   OGNE
 LAZ  ePn     07:03:57.04   1.9X  10.8 286                                   LAZ 
 PAULIePn     07:03:57.28   0.6X  10.9  71                                   PAUL
 Q24A ePn     07:04:00.00  -0.8X  11.2 312                                   Q24A
 JFWS ePn     07:04:02.61  -1.3X  11.5  16                                   JFWS
 KMSC ePn     07:04:03.07   0.2X  11.4  70                                   KMSC
 Q51A ePn     07:04:05.40   1.3X  11.5  49                                   Q51A
 ECSD ePn     07:04:08.01  -2.1X  11.9 352                                   ECSD
 ISCO ePn     07:04:09.72  -1.8X  12.0 314                                   ISCO
 S22A ePn     07:04:10.30   2.5X  11.7 303                                   S22A
 I39A ePn     07:04:10.72  -2.3X  12.1  10                                   I39A
 ACSO ePn     07:04:17.56   0.6X  12.4  45                                   ACSO
 BLA  ePn     07:04:19.84  -0.8X  12.7  62                                   BLA 
      eSn     07:06:37.36  S res =  -5.1X
 TEIG ePn     07:04:21.17  -2.1X  12.9 153                                   TEIG
      eSn     07:06:34.57  S res = -12.4X
 N23A ePn     07:04:22.45  -1.1X  12.9 317                                   N23A
 SMCO ePn     07:04:22.56   3.9X  12.5 309                                   SMCO
 PHWY ePn     07:04:22.91  -0.6X  12.9 320                                   PHWY
 MVCO ePn     07:04:25.17   3.6X  12.7 298                                   MVCO
 H41A ePn     07:04:25.97  -1.9X  13.2  15                                   H41A
 P53A ePn     07:04:26.17   1.3X  13.0  51                                   P53A
 SPMN ePn     07:04:26.40  -3.2X  13.4   5                                   SPMN
 X18A ePn     07:04:28.45  -0.1X  13.3 286                                   X18A
 G40A ePn     07:04:31.60  -3.3X  13.7  13                                   G40A
 PV13 ePn     07:04:33.17   3.5X  13.3 302                                   PV13
 PV12 ePn     07:04:33.49   3.2X  13.4 303                                   PV12
 PV11 ePn     07:04:34.66   3.8X  13.4 302                                   PV11
 PV05 ePn     07:04:35.54   3.6X  13.5 301                                   PV05
 PV17 ePn     07:04:35.60   4.0X  13.5 302                                   PV17
 PV14 ePn     07:04:35.73   2.9X  13.6 302                                   PV14
 PV21 ePn     07:04:36.20   2.8X  13.6 303                                   PV21
 G42A ePn     07:04:37.15  -2.7X  14.1  18                                   G42A
 TUC  ePn     07:04:37.49   0.6X  13.9 276                                   TUC 
 O20A ePn     07:04:39.90   3.2X  13.9 310                                   O20A
 RSSD ePn     07:04:40.99  -2.3X  14.3 331                                   RSSD
 PV09 ePn     07:04:41.41   6.8X  13.7 303                                   PV09
 F41A ePn     07:04:43.55  -0.5X  14.4  15                                   F41A
 K22A ePn     07:04:44.60   0.6X  14.4 322                                   K22A
 E38A ePn     07:04:46.70  -3.2X  14.8   8                                   E38A
 WUAZ ePn     07:04:48.07   1.8X  14.6 289                                   WUAZ
 X16A ePn     07:04:48.55   3.4X  14.5 285                                   X16A
 SRU  ePn     07:04:53.82   2.4X  14.9 303                                   SRU 
 P17A ePn     07:04:58.35   2.9X  15.2 304 b:9.8+0 1.4 4.0                   P17A
 Q16A ePn     07:05:00.24   3.6X  15.3 302 b:7.2+0 1.0 4.0                   Q16A
 TMUT ePn     07:05:01.22   2.2X  15.5 303 b:6.6+0 1.0 3.9                   TMUT
 Y14A ePn     07:05:03.37   1.5X  15.7 282 b:6.5+0 1.2 3.7                   Y14A
 MTPU ePn     07:05:04.77   2.0X  15.8 298 b:6.4+0 .88 3.8                   MTPU
 PDAR ePn     07:05:06.09  -1.5X  16.2 316                                   PDAR
 PKCU ePn     07:05:07.09   5.3X  15.7 296 b:1.4+1 1.1 4.1                   PKCU
 PD31 ePn     07:05:07.55  -0.1X  16.2 316                                   PD31
 BW06 ePn     07:05:08.79   1.2X  16.2 316 b:1.1+1 1.1 3.9                   BW06
 MPU  ePn     07:05:11.25   4.6X  16.1 305 b:9.6+0 .88 3.9                   MPU 
 EYMN ePn     07:05:11.69   4.3X  16.2   7 b:2.1+1 .85 4.3                   EYMN
      eSn     07:07:56.95  S res = -10.0X
 JLU  ePn     07:05:13.70   5.4X  16.2 307 b:3.2+0 .70 3.6                   JLU 
 NLU  ePn     07:05:14.81   4.5X  16.4 304 b:3.8+0 1.1 3.4                   NLU 
 W13A ePn     07:05:15.55   3.1X  16.5 286 b:2.1+0 .65 3.4                   W13A
 LCMT ePn     07:05:16.50   6.9X  16.3 293 b:7.1+0 1.2 3.7                   LCMT
 TCUT ePn     07:05:16.67   5.6X  16.4 309 b:1.7+1 .92 4.2                   TCUT
 HWUT ePn     07:05:16.98   1.7X  16.8 310 b:3.6+0 .60 3.7                   HWUT
 CTU  ePn     07:05:17.55   6.2X  16.5 307 b:4.3+0 .76 3.7                   CTU 
 CCUT ePn     07:05:19.83   7.4X  16.5 295 b:9.3+0 1.0 3.8                   CCUT
 DUG  ePn     07:05:19.87   1.9X  17.0 304 b:2.1+1 1.4 4.1                   DUG 
 LAO  ePn     07:05:21.39  -0.6X  17.3 332 b:1.7+1 .65 4.3                   LAO 
 LOHW ePn     07:05:23.54   1.8X  17.3 317 b:2.4+0 .75 3.4                   LOHW
 AHID ePn     07:05:24.75   5.4X  17.1 314 b:1.0+1 .95 3.9                   AHID
 PSUT ePn     07:05:25.02   4.5X  17.2 298 b:6.0+0 1.0 3.7                   PSUT
 FXWY ePn     07:05:25.49   0.4X  17.5 317 b:5.8+0 1.0 3.6                   FXWY
 SPUT ePn     07:05:25.94   5.0X  17.2 308 b:7.4+0 1.0 3.8                   SPUT
 RLMT ePn     07:05:26.75   1.9X  17.5 323 b:1.1+1 1.1 3.9                   RLMT
 SNOW ePn     07:05:26.98   5.2X  17.3 317 b:4.6+0 .85 3.6                   SNOW
 TPAW ePn     07:05:26.99   3.6X  17.4 316 b:6.6+0 .90 3.8                   TPAW
 BGU  ePn     07:05:27.58   3.9X  17.4 306 b:5.2+0 1.0 3.6                   BGU 
 MOOW ePn     07:05:28.07   4.3X  17.4 317 b:4.1+0 1.1 3.5                   MOOW
 HVU  ePn     07:05:29.27   3.0X  17.6 309 b:4.1+0 .96 3.5                   HVU 
 IMW  ePn     07:05:30.10   3.7X  17.6 317 b:3.1+0 .60 3.6                   IMW 
 LDFC ePn     07:05:30.44   4.8X  17.6 286 b:1.5+1 1.1 4.0                   LDFC
 DGMT ePn     07:05:30.67  -1.2X  18.1 339 b:1.6+1 .90 4.2                   DGMT
 SHPR ePn     07:05:31.08   3.6X  17.7 291 b:4.4+0 1.0 3.5                   SHPR
 YMR  ePn     07:05:35.55   3.2X  18.1 319 b:1.3+1 1.2 3.9                   YMR 
 R11A eP      07:05:40.10   4.0X  18.4 296 b:4.7+0 .95 3.6                   R11A
 TPNV eP      07:05:42.82   4.2X  18.7 292 b:5.2+0 1.0 3.7                   TPNV
 MCMT eP      07:05:49.87   4.3X  19.3 317                                   MCMT
 HLID eP      07:05:52.47   4.1X  19.6 312 b:1.2+1 1.5 4.0                   HLID
 EGMT eP      07:05:54.60   3.2X  19.9 329 b:8.7+0 1.0 4.0                   EGMT
 JSC  eSn     07:06:00.40  -7.7X  11.3  74                                   JSC 
 MFID eP      07:06:01.02   3.6X  20.4 310 b:6.8+0 1.0 3.9                   MFID
 KVN  eP      07:06:03.09   4.3X  20.5 297 b:6.8+0 .92 4.0                   KVN 
 MSO  eP      07:06:08.67   3.6X  21.1 321 b:8.0+0 .95 4.1                   MSO 
 PNTR eP      07:06:15.47   4.3X  21.7 296 b:7.8+0 .72 4.2                   PNTR
 BMO  eP      07:06:16.30   1.6X  22.0 313 b:7.4+0 .85 4.1                   BMO 
 J08A eP      07:06:18.75   2.8X  22.1 308 b:6.1+0 .90 4.1                   J08A
 NHSC eSn     07:06:22.70  -4.9X  12.1  81                                   NHSC
 F10A eP      07:06:22.97   2.9X  22.5 315 b:1.4+1 1.3 4.3                   F10A
 MOD  eP      07:06:27.27   3.1X  22.9 303 b:9.5+0 .80 4.4                   MOD 
 I07A eP      07:06:29.12   2.8X  23.1 309 b:6.7+0 1.0 4.1                   I07A
 E09A eP      07:06:30.72   2.1X  23.3 316 b:9.6+0 1.1 4.3                   E09A
 FFC  eP      07:06:30.79   1.3X  23.4 349 b:1.4+1 1.4 4.3                   FFC 
      eS      07:10:42.31  S res =  -0.5X
 NEW  eP      07:06:34.80   2.5X  23.7 320 b:7.1+0 1.0 4.2                   NEW 
 B08A eP      07:06:46.55   2.5X  25.0 318 b:4.7+0 .80 4.3                   B08A
 R58B eSn     07:07:30.70  -4.2X  14.9  61                                   R58B



 Generated 2013 JAN 25 at 07:13 UTC

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