Phase Data

Explanation of Parameters


     24 AUG 2011  (236)

     ot  = 04:45:26.70   +/-   2.57              VIRGINIA                        
     lat =      37.925   +/-    7.0
     lon =     -77.994   +/-    5.7              MAGNITUDE 3.4 (GS)       
     dep =         4.9   +/-    2.0   

     44 km (27 miles) ESE of Charlottesville, Virginia (pop 40,000)
     60 km (37 miles) SW of Fredericksburg, Virginia (pop 19,000)
     63 km (39 miles) NW of RICHMOND, Virginia (pop 197,000)
     78 km (48 miles) NNE of Farmville, Virginia (pop 6,000)

     nph =   74 of  74    se = 1.27    FE=492                            A   

     error ellipse = (147.0,  0.0, 11.8; 57.0,  0.0,  7.1;298.0, 88.0,  3.0)

 mb = 4.0 (  1)  ML = 0.0 (  0)  mblg = 3.4 ( 61)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 CBN  ePg     04:45:36.92  -0.6    0.6  60                                   CBN 
      eSg     04:45:45.65  S res =   0.8 
 VWCC ePn     04:45:56.07  -1.2    1.7 247                                   VWCC
      eSn     04:46:18.80  S res =  -0.8 
 SDMD ePn     04:45:56.94  -0.6    1.7  31                                   SDMD
      eSn     04:46:20.18  S res =   0.1 
 BLA  ePn     04:46:01.79  -0.2    2.1 251 g:2.7-1 .75 3.6                   BLA 
      eSn     04:46:28.82  S res =   0.8 
 MCWV ePn     04:46:05.85   1.2    2.3 321 g:9.0-2 .73 3.2                   MCWV
      eSn     04:46:35.36  S res =   2.5 
 MVL  ePn     04:46:07.07  -0.1    2.4  31 g:1.3-1 .88 3.3                   MVL 
      eSn     04:46:35.31  S res =  -2.0 
 CNNC ePn     04:46:08.65  -1.9    2.7 178                                   CNNC
      eSn     04:46:46.22  S res =   2.9 
 SSPA ePn     04:46:11.19   0.3    2.7   2 g:1.5-1 .90 3.5                   SSPA
      eSn     04:46:44.26  S res =   0.2 
 PSUB ePn     04:46:11.49  -0.9    2.8  44 g:1.0-1 .84 3.3                   PSUB
      eSn     04:46:43.80  S res =  -2.9 
 LUPA ePn     04:46:20.11   0.3    3.4  37 g:1.3-1 .82 3.5                   LUPA
 BRNJ ePn     04:46:26.27   0.0    3.8  43 g:1.1-1 .82 3.5                   BRNJ
 KMSC ePn     04:46:27.51   0.7    3.9 225 g:1.1-1 .73 3.5                   KMSC
 ALLY ePn     04:46:28.89  -0.8    4.1 337 g:9.0-2 .90 3.4                   ALLY
      eSg     04:47:34.66  S res =  -2.8 
 ODNJ ePn     04:46:30.29   0.3    4.1  39 g:1.2-1 1.0 3.5                   ODNJ
 CPNY ePn     04:46:32.19   0.3    4.2  46 g:8.0-2 .88 3.4                   CPNY
 ERPA ePn     04:46:33.67  -1.3    4.5 341 g:5.0-2 .70 3.2                   ERPA
      eSb     04:47:43.50  S res =   4.0 
 PAL  ePn     04:46:35.24   1.0    4.4  45 g:1.1-1 .70 3.6                   PAL 
 JSC  ePn     04:46:35.31  -0.1    4.5 217 g:6.0-2 .98 3.3                   JSC 
 BINY ePn     04:46:36.25   0.2    4.5  19 g:3.0-2 .70 3.0                   BINY
 KSPA ePn     04:46:38.93  -0.6    4.8  20 g:3.0-2 .95 3.0                   KSPA
 TZTN ePn     04:46:39.51   2.0    4.6 254 g:1.3-1 .95 3.6                   TZTN
 BUF  ePn     04:46:41.80  -1.1    5.0 353                                   BUF 
      eSb     04:47:59.46  S res =   3.3 
 NHSC ePn     04:46:42.79  -1.3    5.1 201                                   NHSC
      eSn     04:47:41.22  S res =  -2.5 
      eSb     04:48:02.20  S res =   3.5 
 YLE  ePn     04:46:43.46  -1.3    5.2  48                                   YLE 
      eSb     04:48:06.89  S res =   6.7 
 RGRS ePn     04:46:45.04  -1.7    5.3 200                                   RGRS
 ACSO ePb     04:46:46.72   0.3    4.5 302 g:2.0-1 1.1 3.8                   ACSO
 TKL  ePn     04:46:46.82   2.2    5.2 246 g:5.0-2 .70 3.3                   TKL 
 TRY  ePn     04:46:54.29   0.5    5.8  33                                   TRY 
      eSb     04:48:17.57  S res =  -1.3 
 CPCT ePn     04:46:56.27   2.9    5.8 247 g:5.0-2 .88 3.3                   CPCT
 QUA2 ePn     04:46:57.30  -0.6    6.1  43 g:5.0-2 .88 3.3                   QUA2
      eSb     04:48:30.03  S res =   2.4 
 BRYW ePn     04:46:59.40  -1.7    6.4  49 g:4.0-2 .77 3.3                   BRYW
      eSn     04:48:10.40  S res =  -3.8 
 ACCN ePn     04:47:00.69  -0.5    6.4  30 g:4.0-2 .95 3.3                   ACCN
 GOGA ePn     04:47:00.75   0.1    6.3 226 g:4.0-2 .73 3.3                   GOGA
 HRV  ePn     04:47:04.53  -1.5    6.7  45 g:5.0-2 1.0 3.5                   HRV 
      eSb     04:48:52.63  S res =   8.1 
 WES  ePn     04:47:04.96  -1.8    6.8  47                                   WES 
      eSg     04:49:02.05  S res =  -2.2 
 NCB  ePn     04:47:05.84   0.3    6.7  24 g:0.0+0 .73 1.3                   NCB 
 BCX  ePn     04:47:06.55  -1.0    6.8  48 g:9.0-2 1.0 3.7                   BCX 
      eSg     04:49:01.45  S res =  -4.6 
 SWET ePn     04:47:08.93  -0.1    6.9 250 g:2.0-2 .70 3.0                   SWET
 MDV  ePn     04:47:10.07  -0.8    7.1  29                                   MDV 
 PLVO ePn     04:47:11.00  -0.8    7.1   5 g:3.0-2 1.1 3.3                   PLVO
      eSb     04:49:03.56  S res =   6.9 
 LONY ePn     04:47:12.11   0.0    7.2  20 g:3.0-2 1.0 3.3                   LONY
 HNH  ePn     04:47:12.96   0.2    7.2  35 g:5.0-2 .85 3.5                   HNH 
 FFD  ePn     04:47:14.85   0.4    7.3  39                                   FFD 
 SFIN ePn     04:47:15.82  -0.7    7.5 292 g:5.0-2 .70 3.5                   SFIN
 FRNY ePn     04:47:17.57  -1.3    7.7  24 g:3.0-2 .98 3.3                   FRNY
 WVT  ePn     04:47:23.74  -0.8    8.1 260 g:2.0-2 .85 3.2                   WVT 
 GLMI ePn     04:47:30.47   0.0    8.5 326 g:1.0-1 1.0 3.8                   GLMI
 TRQ  ePn     04:47:31.99  -0.9    8.7  16                                   TRQ 
 LRAL ePn     04:47:34.72   0.0    8.8 239 g:4.0-2 .90 3.4                   LRAL
 BW06 eP      04:50:49.05   2.4   24.5 291                                   BW06
 TPAW eP      04:50:59.94   3.8   25.5 293 b:3.7+0 1.0 4.0                   TPAW
 WHTX eSn     04:52:26.11  -8.5   17.0 256                                   WHTX



 Generated 2011 AUG 24 at 04:57 UTC

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