Phase Data

Explanation of Parameters


     29 AUG 2011  (241)

     ot  = 03:16:50.62   +/-   1.80              VIRGINIA                        
     lat =      37.938   +/-    4.7
     lon =     -78.006   +/-    3.3              MAGNITUDE 2.7 (GS)       
     dep =         5.1   +/-    2.0   

     43 km (26 miles) ESE of Charlottesville, Virginia (pop 40,000)
     60 km (37 miles) SW of Fredericksburg, Virginia (pop 19,000)
     64 km (40 miles) NW of RICHMOND, Virginia (pop 197,000)
     78 km (49 miles) NNE of Farmville, Virginia (pop 6,000)

     nph =   20 of  24    se = 0.89    FE=492                            A   

     error ellipse = (148.0,  2.0,  8.4; 56.0, 45.0,  3.4;241.0, 44.0,  2.6)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 2.7 ( 16)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 JSRW ePg     03:16:55.99   0.2    0.3 158                                   JSRW
      eSg     03:16:59.47  S res =   0.2 
 URVA ePg     03:17:00.70   0.0    0.5 134                                   URVA
      eSg     03:17:07.49  S res =   0.0 
 CBN  ePg     03:17:01.56   0.1    0.6  62                                   CBN 
      ee      03:17:01.92   0.0X
      eSg     03:17:09.48  S res =   0.6 
 SDMD ePn     03:17:20.79  -0.6    1.7  32 g:1.0-2 .72 1.8                   SDMD
      ePg     03:17:23.15  -0.6 
      eSn     03:17:42.60  S res =  -1.2 
 VWCC ePn     03:17:21.45   0.4    1.7 247                                   VWCC
      eSn     03:17:45.00  S res =   1.6 
 MCWV ePn     03:17:26.27  -2.1    2.2 321 g:4.0-2 .98 2.8                   MCWV
      eSn     03:17:55.28  S res =  -1.1 
 BLA  ePn     03:17:27.93   2.1    2.0 250 g:7.0-2 .98 3.0                   BLA 
      ePb     03:17:28.14  -0.2 
      eSn     03:17:50.88  S res =  -0.9 
      ee      03:17:54.47   0.0X
 MVL  ePn     03:17:29.95  -1.0    2.4  32 g:2.0-2 .77 2.6                   MVL 
      eSn     03:17:59.44  S res =  -1.6 
      ee      03:18:03.33   0.0X
 SSPA ePn     03:17:34.74   0.1    2.7   2 g:5.0-2 1.1 3.0                   SSPA
      eSn     03:18:04.71  S res =  -2.9 
 LUPA ee      03:18:36.66   0.0X   3.3  37                                   LUPA



 Generated 2011 AUG 29 at 04:42 UTC

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