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Earthquake Activity


Phase Data

Explanation of Parameters

     16 JUL 2004  (198)

     ot  = 12:17:30.71   +/-   0.55              IOWA
     lat =      40.631   +/-    6.8
     lon =     -95.557   +/-    5.7              MAGNITUDE 3.3 (GS)
     dep =         5.0  (geophysicist)

     20 km (15 miles) SW of Shenandoah, Iowa (pop 5,500)
     25 km (15 miles) N of Rock Port, Missouri (pop 1,300)
     35 km (20 miles) NE of Auburn, Nebraska (pop 3,300)
     195 km (120 miles) WSW of DES MOINES, Iowa

     nph =    9 of  19    se = 0.75    FE=465                            B

     error ellipse = ( 11.4,  0.0,  9.1;101.4,  0.0,  7.5;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 3.7 ( 15)  md = 4.7 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 KSU1 eP      12:18:01.90   0.5    1.7 208 d:2.7+2     4.7                   KSU1
      eS      12:18:23.03  S res =  -0.9X
 CBKS ePn     12:18:28.67   0.1    3.7 242 d:2.7+2     5.4X g:1.2-1 .80 3.4  CBKS
 CCM  ePn     12:18:35.82   0.2    4.2 126 d:3.9+2     6.0X g:2.1-1 .70 3.8  CCM
 SLM  qPn     12:18:38.38  -2.0X   4.6 114 d:1.4+1     3.2X g:1.9-1 .75 3.8  SLM
 JFWS ePn     12:18:41.50   0.9    4.6  58 d:2.7+2     5.8X g:1.7-1 .63 3.8  JFWS
 FVM  ePn     12:18:43.54   0.2    4.8 122 d:3.1+2     6.0X g:1.2-1 .65 3.7  FVM
 PVMO qP      12:18:55.77  -7.5X   6.2 131                                   PVMO
 RSSD qPn     12:19:15.99  -0.6    7.2 302 d:2.6+2     6.7X g:6.0-2 .85 3.6  RSSD
 UALR qP      12:19:21.21  15.9X   6.4 155 d:3.5+1     4.7X g:1.2-1 .70 3.9  UALR
 OXF  ePn     12:19:23.78  -1.3    7.8 139 d:5.1+1     5.6X g:7.4-2 .65 3.8  OXF
 SDCO qPn     12:19:31.61   0.4    8.2 253 d:3.2+2     7.3X g:3.0-2 1.0 3.3  SDCO
 SWET ePn     12:19:44.58  -1.3X   9.3 122 d:3.1+2     7.7X                  SWET
 ULM  ePn     12:19:49.39  -0.4    9.6 359 d:2.8+1     5.8X g:2.9-2 .65 3.6  ULM
 ANMO qPn     12:19:54.84  -4.8X  10.3 240 g:1.0-2 .75 3.1                   ANMO
 JCT  qP      12:20:03.76  -0.9X  10.7 200 g:5.5-2 .88 3.8                   JCT
 USIN eLg     12:20:45.47  96.1X   6.7 111 d:2.5+1     4.5X g:1.4-1 1.1 3.8  USIN
 FFC  qPn     12:20:54.10  -5.6X  14.7 345 g:5.7-3 .75 3.1                   FFC
 BLO  eLg     12:21:00.06  104.X   7.1  99 d:4.1+1     5.1X g:7.4-2 .75 3.7  BLO



 Generated 2004 JUL 16 at 13:50 UTC

 

First Government graphic