Phase Data

Explanation of Parameters


     26 MAR 2012  ( 86)

     ot  = 03:21:51.24   +/-   0.86              VIRGINIA                        
     lat =      37.922   +/-    3.3
     lon =     -77.950   +/-    3.9              MAGNITUDE 3.1 (GS)       
     dep =         5.0   +/-    2.0   

     48 km (30 miles) ESE of Charlottesville, Virginia (pop 40,000)
     58 km (36 miles) SW of Fredericksburg, Virginia (pop 19,000)
     59 km (37 miles) NW of RICHMOND, Virginia (pop 197,000)
     79 km (49 miles) NNE of Farmville, Virginia (pop 6,000)

     nph =   18 of  61    se = 0.43    FE=492                            A   

     error ellipse = (296.0,  5.0,  6.4;206.0,  0.0,  4.7;115.0, 84.0,  2.9)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 3.1 ( 48)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 IP06 ePg     03:21:52.40   0.1    0.0 295                                   IP06
 IP07 ePg     03:21:52.47  -0.3    0.1 267                                   IP07
 IP01 ePg     03:21:53.05   0.6    0.1  41                                   IP01
 IP03 ePg     03:21:53.55   0.0    0.1 333                                   IP03
 SPRD ePg     03:21:54.02   0.4    0.1  29                                   SPRD
 IP05 ePg     03:21:54.87   0.1    0.2 121                                   IP05
 IP04 ePg     03:21:54.98  -0.3    0.2 326                                   IP04
 CVRD ePg     03:21:55.17   0.3    0.2  37                                   CVRD
 PTRD ePg     03:21:57.72   0.2    0.3  53                                   PTRD
 URVA ePg     03:21:59.97  -0.5    0.5 137                                   URVA
 CBN  ePg     03:22:01.36  -0.2    0.5  58                                   CBN 
 SDMD ePn     03:22:20.55  -1.3    1.7  30 g:7.0-2 .76 2.9                   SDMD
 VWCC ePn     03:22:20.83  -1.4    1.8 248                                   VWCC
 BLA  ePn     03:22:26.86  -0.1    2.1 251                                   BLA 
 MCWV ePn     03:22:30.39   0.8    2.3 320 g:1.0-1 .82 3.2                   MCWV
 MVL  ePn     03:22:30.54  -0.9    2.4  31 g:5.0-2 .71 2.9                   MVL 
 O56A ePn     03:22:31.27   0.1    2.4 349 g:1.1-1 .90 3.3                   O56A
 PAGS ePn     03:22:31.50  -1.0    2.5  22 g:6.0-2 .78 3.0                   PAGS
 SSPA ePn     03:22:35.28  -0.2X   2.7   1 g:5.0-2 .70 3.0                   SSPA
 PSUB ePn     03:22:36.11  -0.5X   2.8  43                                   PSUB
 LUPA ePn     03:22:43.90  -0.2X   3.3  36                                   LUPA
      eSn     03:23:23.66  S res =  -0.5X
 N54A ePn     03:22:47.85   2.6X   3.4 333 g:3.0-2 .77 2.8                   N54A
 M54A ePn     03:22:53.10   2.4X   3.8 340 g:5.0-2 .93 3.1                   M54A
 KMSC ePn     03:22:54.00   2.3X   3.9 226 g:5.0-2 .70 3.1                   KMSC
 PAL  ePn     03:22:58.31  -0.2X   4.4  44 g:3.0-2 .80 3.0                   PAL 
      eSn     03:23:51.01  S res =   1.0X
      eSb     03:24:04.78  S res =   2.7X
 PAULIePn     03:22:59.68   1.1X   4.4 226 g:4.0-2 .70 3.1                   PAUL
 ALLY ePb     03:23:04.99   1.3X   4.1 336 g:3.0-2 .70 2.9                   ALLY
 RGRS ePn     03:23:10.33  -1.1X   5.3 201                                   RGRS
 ACSO ePb     03:23:10.50  -1.0X   4.5 302 g:4.0-2 .75 3.2                   ACSO
      eSb     03:24:06.36  S res =  -0.2X
 TZTN ePb     03:23:11.54  -2.2X   4.7 255 g:8.0-2 1.1 3.4                   TZTN
 MMNY ePb     03:23:15.72  -0.2X   4.8   0 g:3.0-2 .78 3.0                   MMNY
      eSb     03:24:16.87  S res =   2.9X
 N59A eSn     03:23:31.25   4.7X   3.4  29 g:3.0-2 .82 2.9                   N59A
 BRNJ eSn     03:23:36.45   0.8X   3.8  43 g:9.0-2 .80 3.4                   BRNJ
 WCI  ePb     03:23:46.53   0.2X   6.6 275 g:4.0-2 .90 3.3                   WCI 
      eSb     03:25:10.22  S res =   4.9X
 ODNJ eSb     03:23:57.00   3.8X   4.1  38 g:4.0-2 .74 3.0                   ODNJ
 SFIN ePb     03:24:01.67  -0.5X   7.5 292 g:2.0-2 .80 3.0                   SFIN
      eSb     03:25:42.54  S res =  10.5X
 CPNY eSb     03:24:01.93   4.9X   4.2  46 g:3.0-2 .73 2.9                   CPNY
 BINY eSb     03:24:08.59   2.5X   4.5  19 g:2.0-2 1.2 2.8                   BINY
 ERPA eSb     03:24:09.65   5.2X   4.5 340 g:3.0-2 .73 3.0                   ERPA
 JSC  eLR     03:24:12.03          4.5 217                                   JSC 
 BG3  eSb     03:24:19.61   0.9X   5.0 236 g:6.0-2 .78 3.3                   BG3 
 HODGEeSb     03:24:24.52   2.8X   5.1 225 g:6.0-2 1.0 3.3                   HODG
 TKL  eSb     03:24:24.57  -0.6X   5.2 246 g:3.0-2 .75 3.0                   TKL 
 TRY  eSb     03:24:48.41   5.4X   5.8  33 g:3.0-2 1.0 3.2                   TRY 
 AAM  eSb     03:24:57.45   3.8X   6.2 317 g:3.0-2 .93 3.2                   AAM 
 GOGA eSb     03:25:04.34   5.7X   6.4 227 g:2.0-2 .90 3.0                   GOGA
 NCB  eSb     03:25:13.67   6.0X   6.7  24                                   NCB 
 BLO  eSb     03:25:21.94   9.6X   6.8 283                                   BLO 
 HNH  eSb     03:25:31.90   9.1X   7.2  35                                   HNH 
 VT1  eLR     03:25:47.60          7.5  30                                   VT1 
 FRNY eSb     03:25:48.72  13.1X   7.6  24                                   FRNY
 LBNH eSb     03:25:51.30  11.8X   7.8  34                                   LBNH
 USIN eLR     03:25:52.22          7.7 273                                   USIN
 WVT  eSb     03:25:59.47  10.6X   8.1 260 g:1.0-2 .75 2.9                   WVT 



 Generated 2012 MAR 26 at 03:29 UTC

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