Phase Data

Explanation of Parameters


     25 AUG 2011  (237)

     ot  = 05:07:50.75   +/-   2.86              VIRGINIA                        
     lat =      37.940   +/-    7.1
     lon =     -77.896   +/-    5.5              MAGNITUDE 4.5 (GS)       
     dep =         5.0   +/-    2.0   

     52 km (32 miles) E of Charlottesville, Virginia (pop 40,000)
     53 km (33 miles) SW of Fredericksburg, Virginia (pop 19,000)
     57 km (36 miles) NW of RICHMOND, Virginia (pop 197,000)
     83 km (52 miles) NNE of Farmville, Virginia (pop 6,000)

     nph =  100 of 100    se = 1.41    FE=492                            A   

     error ellipse = (158.0,  0.0, 11.3; 68.0,  1.0,  7.9;272.0, 88.0,  3.0)

 mb = 4.3 (  1)  ML = 0.0 (  0)  mblg = 4.5 ( 52)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 URVA ePg     05:08:00.91   1.2    0.5 142                                   URVA
      eSg     05:08:06.23  S res =   0.4 
 CBN  ePg     05:08:01.44   1.3    0.5  57                                   CBN 
      eSg     05:08:08.02  S res =   1.5 
 SDMD ePn     05:08:20.87   0.0    1.7  29                                   SDMD
      eSn     05:08:42.20  S res =  -0.6 
 VWCC ePn     05:08:21.72  -0.6    1.8 248                                   VWCC
      eSn     05:08:44.56  S res =  -1.0 
 BLA  ePn     05:08:27.46   0.4    2.1 251 g:6.1+0 .85 4.9                   BLA 
      eSn     05:08:55.58  S res =   1.6 
 MCWV ePn     05:08:30.17   0.9    2.3 319                                   MCWV
      eSn     05:08:59.88  S res =   2.0 
 MVL  ePn     05:08:30.53   0.1    2.4  30 g:6.2-1 .77 4.0                   MVL 
      eSn     05:08:59.71  S res =  -0.3 
 CNNC ePn     05:08:34.76   0.0    2.7 180 g:2.1+0 .80 4.6                   CNNC
      eSn     05:09:06.73  S res =  -1.0 
 SSPA ePn     05:08:35.38   0.7    2.7   0 g:2.3+0 .85 4.6                   SSPA
      eSn     05:09:06.09  S res =  -1.6 
 PSUB ePn     05:08:36.19   0.7    2.8  43 g:1.3+0 .84 4.4                   PSUB
      eSn     05:09:08.04  S res =  -1.1 
 LUPA ePn     05:08:44.35   1.3    3.3  36 g:1.2+0 .95 4.4                   LUPA
      eSn     05:09:20.86  S res =  -1.8 
 BRNJ ePn     05:08:50.50   1.1    3.8  42 g:2.5+0 1.0 4.8                   BRNJ
      eSn     05:09:32.85  S res =  -1.3 
 KMSC ePn     05:08:51.45  -0.3    3.9 226 g:1.6+0 .80 4.7                   KMSC
 ODNJ ePn     05:08:54.45   1.2    4.0  38 g:5.1-1 .91 4.2                   ODNJ
 ALLY ePn     05:08:54.59   0.7    4.1 336 g:6.5-1 .82 4.3                   ALLY
 CPNY ePn     05:08:55.96   0.9    4.2  46 g:5.3-1 .82 4.2                   CPNY
      eSn     05:09:44.16  S res =   0.0 
 PAL  ePn     05:08:58.04   0.6    4.4  44 g:9.6-1 .77 4.5                   PAL 
      eSn     05:09:47.45  S res =  -1.0 
 ERPA ePn     05:08:59.70   0.5    4.5 340 g:5.9-1 .70 4.3                   ERPA
 JSC  ePn     05:08:59.75  -0.5    4.6 218                                   JSC 
 BINY ePn     05:09:00.20   0.6    4.5  18 g:6.1-1 .93 4.3                   BINY
 ACSO ePn     05:09:00.67   0.1    4.6 302 g:9.2-1 .75 4.5                   ACSO
 TZTN ePn     05:09:02.79   0.2    4.7 255 g:1.7+0 1.0 4.8                   TZTN
 NHSC ePn     05:09:08.36  -0.4    5.2 202 g:1.1+0 .70 4.6                   NHSC
 YLE  ePn     05:09:08.91   1.0    5.1  47                                   YLE 
 BUF  ePn     05:09:09.51   2.6    5.0 352                                   BUF 
 TKL  ePn     05:09:09.90   0.2    5.2 246 g:8.8-1 .73 4.5                   TKL 
 RGRS ePn     05:09:10.32  -1.0    5.4 201 g:5.7+0 .70 5.4                   RGRS
 TRY  ePn     05:09:18.15   1.1    5.8  33 g:2.0+0 1.2 4.9                   TRY 
 CPCT ePn     05:09:19.05   0.6    5.9 247                                   CPCT
 QUA2 ePn     05:09:21.09   0.0    6.1  43                                   QUA2
 BRYW ePn     05:09:24.76   0.5    6.3  49 g:3.5-1 .80 4.2                   BRYW
 ACCN ePn     05:09:24.84   0.3    6.3  29 g:5.8-1 .88 4.5                   ACCN
 GOGA ePn     05:09:25.14  -0.5    6.4 227 g:9.1-1 1.0 4.7                   GOGA
 NCB  ePn     05:09:28.67  -0.3    6.6  24 g:0.0+0 .80 2.4                   NCB 
 HRV  ePn     05:09:28.83  -0.3    6.7  45 g:3.9-1 .85 4.3                   HRV 
 WES  ePn     05:09:29.65  -0.3    6.7  47 g:5.7-1 1.0 4.5                   WES 
 BCX  ePn     05:09:30.73   0.0    6.8  48 g:8.0-1 .77 4.6                   BCX 
 WCI  ePn     05:09:32.08   3.3    6.6 275 g:7.6-1 .77 4.6                   WCI 
 MDV  ePn     05:09:33.48  -0.7    7.0  29                                   MDV 
 SWET ePn     05:09:34.68   0.5    7.0 250 g:3.0-1 1.0 4.2                   SWET
 LONY ePn     05:09:35.00  -0.6    7.1  19 g:3.4-1 .85 4.3                   LONY
 BLO  ePn     05:09:37.12   5.0    6.9 283 g:8.7-1 .85 4.7                   BLO 
 HNH  ePn     05:09:37.55   1.5    7.2  35 g:5.4-1 .75 4.5                   HNH 
 FFD  ePn     05:09:38.09   0.4    7.3  39 g:7.0-1 .73 4.6                   FFD 
 FRNY ePn     05:09:41.79  -0.5    7.6  24 g:2.7-1 .80 4.2                   FRNY
 LBNH ePn     05:09:46.10   2.0    7.7  34 g:6.1-1 1.1 4.6                   LBNH
 USIN ePn     05:09:46.79   3.0    7.7 273 g:1.2+0 1.2 4.9                   USIN
 WVT  ePn     05:09:49.07  -0.6    8.2 260 g:3.4-1 1.0 4.4                   WVT 
 OLIL ePn     05:09:50.27   1.8    8.1 279 g:6.4-1 .77 4.6                   OLIL
 GLMI ePn     05:09:53.42  -1.5    8.5 326                                   GLMI
 TRQ  ePn     05:09:55.24  -1.2    8.6  16                                   TRQ 
 LRAL ePn     05:09:59.47  -0.3    8.9 239                                   LRAL
 UTMT ePn     05:10:00.27   0.3    8.9 263                                   UTMT
 WVL  ePn     05:10:02.50   0.3    9.1  41                                   WVL 
 HDIL ePn     05:10:05.11   0.8    9.2 290                                   HDIL
 HALT ePn     05:10:06.26  -0.4    9.4 261                                   HALT
 PKME ePn     05:10:12.25   0.7    9.8  39                                   PKME
 OXF  ePn     05:10:12.42  -1.4    9.9 253                                   OXF 
 PBMO ePn     05:10:15.37  -0.3   10.1 267                                   PBMO
 VLDQ ePn     05:10:16.00  -2.4   10.3   1                                   VLDQ
 DWPF ePn     05:10:17.27  -1.1   10.2 198                                   DWPF
 HBAR ePn     05:10:20.90  -1.2   10.5 261                                   HBAR
 JFWS ePn     05:10:22.17  -1.7   10.6 302                                   JFWS
 GGN  ePn     05:10:27.97  -0.2   11.0  46                                   GGN 
 LMQ  ePn     05:10:30.14   0.2   11.1  28                                   LMQ 
 PQI  ePn     05:10:35.04   1.2   11.4  37                                   PQI 
 COWI ePn     05:10:35.11  -2.8   11.7 318                                   COWI
 WHAR ePn     05:10:38.78  -1.8   11.9 262                                   WHAR
 X301 ePn     05:10:39.86  -2.1   12.0 261                                   X301
 VBMS ePn     05:10:40.25   0.5   11.8 245                                   VBMS
 CCAR ePn     05:10:40.66  -1.0   11.9 255                                   CCAR
 LMN  ePn     05:10:50.82   1.0   12.5  47                                   LMN 
 HHAR ePn     05:10:53.17  -1.8   12.9 268                                   HHAR
 WLAR ePn     05:10:54.29  -2.6   13.1 256                                   WLAR
 MIAR ePn     05:10:55.70  -1.8   13.1 260                                   MIAR
 SPMN ePn     05:10:55.86  -4.4   13.3 308                                   SPMN
 EYMN ePn     05:11:08.22  -2.8   14.1 320                                   EYMN
 TUL1 ePn     05:11:14.85  -1.2   14.5 267                                   TUL1
 ECSD ePn     05:11:23.79  -3.5   15.3 298 b:1.2+1 .75 4.3                   ECSD
 W34A ePn     05:11:40.86   1.9   16.2 267                                   W34A
 BGNE ePn     05:11:41.80   5.7   16.0 289                                   BGNE
 AGMN ePn     05:11:42.30  -2.7   16.7 314                                   AGMN
 WMOK ePn     05:11:48.70  -2.2   17.1 266                                   WMOK
 CBKS ePn     05:11:52.56   1.4   17.1 280                                   CBKS
 JCT  eP      05:12:19.82   0.4   19.6 254                                   JCT 
 AMTX eP      05:12:20.65   3.2   19.4 268                                   AMTX



 Generated 2011 AUG 25 at 05:13 UTC

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