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Earthquake Activity


Phase Data

Explanation of Parameters

     29 DEC 2003  (363)

     ot  = 09:02:08.50   +/-   0.60              ILLINOIS
     lat =      38.134   +/-    5.5
     lon =     -90.185   +/-    5.8              MAGNITUDE 3.0 (GS)
     dep =         5.0  (geophysicist)

     45 km (30 miles) NNE of Farmington, Missouri (pop 13,000)
     50 km (30 miles) SSW of East St. Louis, Illinois (pop 31,000)
     60 km (35 miles) S of St. Louis, Missouri (pop 348,000)
     180 km (110 miles) ESE of JEFFERSON CITY, Missouri

     nph =   10 of  21    se = 0.76    FE=485                            A

     error ellipse = ( 58.9,  0.0,  7.9;148.9,  0.0,  7.1;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 3.0 ( 14)  md = 2.3 (  3)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 SLM  eP      09:02:18.68   0.1    0.5 355 d:8.0+1     2.1  g:9.2-2 .65 2.6  SLM
 SIUC eP      09:02:24.73  -1.0    0.9 118 d:1.7+2     2.9  g:1.2-1 .80 2.9  SIUC
 CCM  eP      09:02:24.84  -0.3    0.8 265 d:3.1+2     3.5X g:1.1-1 .65 2.9  CCM
 PVMO eP      09:02:40.44   0.6    1.8 167 d:4.3+0    -0.8X                  PVMO
 USIN eP      09:02:43.24   0.0    2.0  94 d:7.4+1     2.1                   USIN
 UTMT eP      09:02:44.86   0.5    2.1 149 d:7.0+1     2.0X g:5.6-1 .65 4.0  UTMT
 GNAR eP      09:02:45.35  -0.4    2.2 176 d:4.5+1     1.6X                  GNAR
 WVT  ePn     09:02:54.57   0.6    2.7 136 d:2.5+2     3.3X g:3.7-2 .75 2.8  WVT
 WCI  ePn     09:02:57.58  -1.0    3.1  87                                   WCI
 BLO  ePn     09:02:59.22   0.9    3.0  69 d:1.6+2     2.9X g:9.3-2 .75 3.3  BLO
 PLAL ePn     09:03:04.09  -1.6X   3.6 151 d:2.0+2     3.1X g:2.7-2 .75 2.8  PLAL
 OXF  ePn     09:03:06.95  -0.1X   3.7 170 d:1.4+2     2.7X g:5.0-2 .65 3.1  OXF
 UALR ePn     09:03:08.54  -0.1X   3.8 208 d:1.6+1     0.5X g:2.9-2 .80 2.8  UALR
 JFWS ePn     09:03:21.42  -1.4X   4.8 359 d:1.5+2     2.8X g:4.0-2 .63 3.2  JFWS
 CPCT ePn     09:03:28.84  -1.1X   5.3 119 d:2.9+1     1.1X                  CPCT
 LRAL ePn     09:03:35.44  -0.6X   5.7 152 d:3.4+1     1.3X g:3.1-2 .88 3.1  LRAL
 ACSO qPn     09:03:40.88   1.1X   6.0  67 d:2.9+1     1.1X g:2.7-2 .73 3.2  ACSO
 KSU1 ePg     09:03:43.15  15.4X   5.1 283 d:9.3+0     0.0X                  KSU1
 GOGA qPn     09:03:56.21  -0.9X   7.2 129 d:3.1+1     1.2X g:3.2-2 1.0 3.2  GOGA
 WMOK ePn     09:04:01.06  -3.1X   7.7 247 d:2.1+1     0.8X g:1.2-2 .70 3.0  WMOK
 CBKS qPn     09:04:02.71   1.1X   7.5 278                                   CBKS



 Generated 2003 DEC 30 at 19:10 UTC

 

First Government graphic