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Earthquake Activity


Phase Data

Explanation of Parameters

      5 MAY 2003  (125)

     ot  = 16:32:32.74   +/-   0.90              VIRGINIA
     lat =      37.754   +/-    9.5
     lon =     -78.072   +/-    6.6              MAGNITUDE 3.9 (GS)
     dep =         5.0  (geophysicist)

     45 km (30 miles) SE of Charlottesville, Virginia (pop 40,000)
     60 km (35 miles) NNE of Farmville, Virginia (pop 6,000)
     60 km (35 miles) WNW of RICHMOND, Virginia (pop 197,000)
     80 km (50 miles) SW of Fredericksburg, Virginia (pop 19,000)

     nph =   11 of  28    se = 0.61        FE=492                      A

     error ellipse = (149.4, 59.4,  0.0;  0.0,  0.0,  0.0; 14.1,  5.9,  0.0)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 3.9 ( 15)  md = 3.5 (  3)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 CBN  eP      16:32:47.97   1.0    0.7  51 d:2.5+2     3.4  g:6.2+0 .80 4.5  CBN
 SDMD eP      16:33:05.34  -1.0    1.9  30 d:2.5+2     3.4                   SDMD
 BLA  eP      16:33:06.55  -0.3    1.9 255 d:3.8+2     3.9  g:2.2+0 .70 4.5  BLA
 MCWV ePn     16:33:13.44   0.8    2.4 324 d:2.5+2     3.4X g:1.5+0 .80 4.4  MCWV
 MVL  ePn     16:33:16.02  -0.3    2.6  30 d:2.5+2     3.4X                  MVL
 SSPA ePn     16:33:20.19   0.0    2.9   3 d:3.7+2     3.9X g:3.2-1 .80 3.8  SSPA
 BRNJ qP      16:33:37.32   1.4X   4.0  42                                   BRNJ
 ALLY ePn     16:33:38.73  -0.2    4.2 338 d:1.4+2     2.6X                  ALLY
 ACSO qPn     16:33:44.08   0.2    4.6 304 d:2.3+2     3.3X g:4.9-1 .75 4.2  ACSO
 PAL  ePn     16:33:44.28   0.1    4.6  44 d:2.0+2     3.1X g:1.9-1 .68 3.8  PAL
 BINY ePn     16:33:45.77  -0.5    4.7  19 d:2.3+2     3.3X g:1.3-1 .90 3.6  BINY
 MYNC ePn     16:33:58.47   0.1    5.6 243 d:3.3+2     3.7X g:1.1+1 .63 5.8X MYNC
                                           b:1.2+1 .53 4.8X
 GOGA ePn     16:34:04.19  -2.6X   6.2 227 d:3.6+2     3.8X g:1.8-1 .68 4.0  GOGA
                                           b:1.2+1 .25 5.3X
 ACCN P       16:34:11.07  -1.0X   6.5  29 d:2.2+2     3.3X                  ACCN
 SWET P       16:34:15.34  -0.6X   6.8 251 d:3.7+2     3.9X                  SWET
 NCB  P       16:34:15.63  -0.8X   6.9  24 d:3.3+2     3.7X g:7.4-2 .75 3.7  NCB
                                           b:4.7+0 .33 5.0X
 MIV  P       16:34:19.86  -1.1X   7.2  27 d:3.5+2     3.8X                  MIV
 AAM  P       16:34:19.98  12.3X   6.2 318 d:1.8+1     0.1X                  AAM
 WCI  e       16:34:24.62  13.0X   6.5 277 d:2.4+2     3.3X g:3.7-1 .85 4.3  WCI
      P       16:34:24.62  13.0X
 WVT  P       16:34:29.72  -2.4X   8.0 261 b:5.7+0 .65 4.9X                  WVT
 LBNH e       16:34:32.01   0.0X   8.0  34 d:5.3+0    -1.4X g:5.7-2 1.1 3.5  LBNH
                                           b:4.2+0 .83 4.7X
 BLO  P       16:34:33.54  18.2X   6.8 285 d:1.1+1    -0.5X g:2.7-2 .70 3.3  BLO
 PLAL P       16:34:37.39  -2.4X   8.5 254 d:3.6+2     3.8X g:7.5-2 1.0 3.7  PLAL
                                           b:4.3+0 .50 5.0X
 LRAL P       16:34:40.08  -1.8X   8.7 240 d:3.2+2     3.7X g:1.2-1 .83 4.0  LRAL
                                           b:4.9+0 .33 5.3X
 CCM  e       16:34:59.78  -6.1X  10.4 276 b:3.2+1 1.2 5.6X                  CCM
 JFWS P       16:35:41.43  32.7X  10.6 303 g:1.1-2 .63 3.2                   JFWS
 NSHM e       16:39:37.68  11.5X  34.8 285                                   NSHM



 Generated 2003 MAY  5 at 16:56 UTC

     

 

First Government graphic