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Earthquake Activity


Phase Data

Explanation of Parameters

     19 AUG 2004  (232)

     ot  = 23:51:49.00   +/-   0.61              ALABAMA
     lat =      33.177   +/-    6.2
     lon =     -86.925   +/-    6.5              MAGNITUDE 3.5 (GS)
     dep =         5.0  (geophysicist)

     15 km (10 miles) SW of Alabaster, Alabama (pop 22,000)
     40 km (25 miles) SSW of Birmingham, Alabama (pop 242,000)
     60 km (35 miles) E of Tuscaloosa, Alabama (pop 77,000)
     105 km (65 miles) NNW of MONTGOMERY, Alabama (pop 201,000)

     nph =   15 of  26    se = 1.07    FE=507                            A

     error ellipse = ( 51.8,  0.0,  9.2;141.8,  0.0,  7.5;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 3.9 ( 12)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 LRAL eP      23:51:53.46   1.4    0.2 203                                   LRAL
 PLAL ePn     23:52:23.95   0.0    2.0 332 d:3.7+2     3.9X g:1.4+0 1.0 4.2  PLAL
 OXF  ePn     23:52:30.12   0.4    2.5 303 d:2.9+2     3.6X g:1.2+0 .65 4.4  OXF
 CPCT ePn     23:52:37.58   0.1    3.0  41                                   CPCT
 MET  ePn     23:52:38.14  -1.3    3.2 309 d:4.6+1     1.3X                  MET
 HALT qPn     23:52:41.10  -1.3    3.4 325 d:4.4+1     1.2X                  HALT
 UTMT qPn     23:52:45.56   1.0    3.5 334 d:6.2+1     1.7X g:7.8-1 .75 4.3  UTMT
 GLAT ePn     23:52:46.00  -0.1    3.6 328 d:1.0+2     2.2X                  GLAT
 HBAR ePn     23:52:48.33  -1.1    3.9 309 d:1.8+2     3.0X                  HBAR
 GNAR ePn     23:52:49.07   1.2    3.8 318 d:1.4+2     2.7X                  GNAR
 UALR ePn     23:53:00.64  -1.0    4.8 291 d:2.1+2     3.2X g:2.6-1 .65 4.0  UALR
 JSC  qPn     23:53:01.73  -0.9    4.8  75 d:3.5+2     3.8X                  JSC
 USIN qPn     23:53:03.24   1.1    4.8 353 d:4.1+1     1.1X g:3.4-1 1.1 3.9  USIN
 WCI  ePn     23:53:06.80   1.2    5.1   6 d:2.5+2     3.4X g:2.2-1 .75 3.9  WCI
 FVM  ePn     23:53:11.88  -0.8X   5.6 330 d:2.9+2     3.6X g:1.4-1 .80 3.8  FVM
 CCM  ePn     23:53:17.22  -1.3X   6.0 325 d:3.7+2     3.9X g:1.4-1 .65 3.9  CCM
 BLO  qPn     23:53:23.62   5.3X   6.0   3 d:4.5+1     1.2X g:1.9-1 .80 4.0  BLO
                                           b:8.0+1 .65 5.6X
 HBF  e       23:53:24.50  12.9X   5.5  91 d:9.0+0    -0.7X                  HBF
 ELN  P       23:53:26.95   2.0X   6.5  50 d:1.8+1     0.1X                  ELN
 DWPF qPn     23:53:30.33  -0.7    6.9 135 d:1.3+1    -0.3X g:6.1-2 .90 3.5  DWPF
                                           b:4.3+1 .65 5.7X
 NHSC P       23:53:32.52  18.8X   5.7  89 d:1.6+1     0.0X g:4.6-2 .90 3.3  NHSC
 TWB  P       23:53:35.16  20.5X   5.7  89 d:6.8+0    -1.1X                  TWB
 FWV  P       23:53:47.60  20.2X   6.7  47 d:1.4+1    -0.2X                  FWV
 WMOK ePn     23:54:11.07  -1.9X  10.0 282 g:2.0-2 1.0 3.3                   WMOK
 KSU1 P       23:54:14.09   3.4X   9.8 310 d:5.5+1     1.5X                  KSU1
 JCT  P       23:54:31.35   0.5X  11.3 260 g:4.0-3 .68 2.8X                  JCT



 Generated 2004 AUG 20 at 00:44 UTC

 

First Government graphic