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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     25 APR 2008  (116)

     ot  = 17:31:00.00   +/-   0.00        ILLINOIS                        
     lat =      38.450   +/-    0.0
     lon =     -87.870   +/-    0.0              MAGNITUDE 3.7 (GS)       
     dep =        13.2   +/-    0.0   

     35 km (25 miles) SSE of Olney, Illinois (pop 8,600)
     40 km (25 miles) SW of Vincennes, Indiana (pop 18,000)
     55 km (35 miles) NNW of Evansville, Indiana (pop 121,000)
     215 km (135 miles) SE of SPRINGFIELD, Illinois

     nph =   59 of 115    se = 0.00    FE=489                            held

     error ellipse = (  0.0,  0.0,  0.0;  0.0,  0.0,  0.0;  0.0,  0.0,  0.0)

 mb = 3.6 (  3)  ML = 0.0 (  0)  mblg = 4.2 ( 23)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 OLIL ePg     17:31:06.75  -0.1    0.3 328                                   OLIL
      eSg     17:31:12.80  S res =   1.4X
 USIN ePg     17:31:10.16   0.1    0.5 162 g:1.8+0 .65 3.9                   USIN
      eSg     17:31:16.79  S res =   0.0X
 SIUC ePg     17:31:22.13  -2.7    1.3 236 g:1.1+0 .85 4.0                   SIUC
      eSn     17:31:37.23  S res =  -3.6X
 WCI  ePg     17:31:22.52  -1.7    1.3 100 g:6.7-1 .65 3.9                   WCI 
      eSg     17:31:39.66  S res =  -1.0X
 BLO  ePg     17:31:22.96  -1.6    1.3  55 g:1.6+0 .60 4.3X                  BLO 
      eSg     17:31:40.17  S res =  -1.0X
 SLM  ePn     17:31:32.06   0.5    1.9 276 g:1.5+0 .65 4.3                   SLM 
      eSn     17:31:55.24  S res =   0.3X
 UTMT ePn     17:31:37.56   0.7    2.2 201 g:3.5+0 .65 4.8                   UTMT
      eSn     17:32:05.95  S res =   1.5X
 WVT  ePn     17:31:38.40   0.6    2.3 179 g:6.0-1 .65 4.0                   WVT 
      eSn     17:32:07.11  S res =   1.0X
 PARMOePn     17:31:38.91   1.0    2.3 221                                   PARM
      eSn     17:32:07.15  S res =   0.8X
 HDIL ePn     17:31:39.50   0.9    2.4 333 g:1.6+0 .70 4.5                   HDIL
      eSn     17:32:04.48  S res =  -3.1X
 PVMO ePn     17:31:39.75  -0.6    2.5 216 g:2.5+0 .83 4.6                   PVMO
      eSn     17:32:11.48  S res =   0.8X
 GLAT ePn     17:31:40.77   1.1    2.5 208 d:2.9+2     3.4X                  GLAT
      eSn     17:32:09.86  S res =   0.4X
      eSg     17:32:20.39  S res =   1.6X
 CCM  ePn     17:31:43.90   1.0    2.7 263 g:1.6+0 .70 4.5                   CCM 
      eSn     17:32:17.74  S res =   2.5X
 HALT ePn     17:31:45.07   0.7X   2.8 205 d:1.8+2     3.0X                  HALT
      eSn     17:32:18.06  S res =   0.2X
 GNAR ePn     17:31:47.27  -0.1    3.0 215 g:1.3+1 .64 5.5X                  GNAR
      eS      17:32:30.41  S res =   0.2X
 PLAL ePn     17:31:53.84   0.2    3.5 183 g:4.9-1 .65 4.1                   PLAL
      eSn     17:32:33.91  S res =  -0.6X
 SWET ePn     17:31:55.87   0.6    3.6 154                                   SWET
      eSg     17:32:51.74  S res =  -3.3X
 TZTN ePn     17:32:01.55   1.6    3.9 118 g:8.6-1 .95 4.2                   TZTN
      eSn     17:32:45.58  S res =  -0.4X
 OXF  ePn     17:32:02.09  -0.5    4.1 198 d:2.7+2     3.4X g:7.2-1 .65 4.4  OXF 
      ePb     17:32:12.26  -0.1X
      eSn     17:32:54.44  S res =   3.8X
 CPCT ePn     17:32:02.17   0.9    4.0 137                                   CPCT
      eSn     17:32:47.53  S res =  -0.7X
      ePg     17:33:04.72  47.7X
 ACSO ePn     17:32:04.11   0.6    4.2  63 g:5.5-1 .88 4.1                   ACSO
      eSn     17:32:51.80  S res =  -0.5X
      eSg     17:33:08.20  S res =  -6.2X
 HBAR ePg     17:32:05.61  -4.3    3.7 219 d:1.9+2     3.0X                  HBAR
 TKL  ePn     17:32:05.74   0.6    4.3 129 d:4.9+2     4.0X                  TKL 
      ePb     17:32:15.01  -0.4X
      eSn     17:32:55.08  S res =   0.0X
      eSg     17:33:13.47  S res =  -4.6X
 AAM  ePn     17:32:15.20   0.3    5.0  39 g:7.6-1 .95 4.4                   AAM 
      ePb     17:32:23.26  -4.3X
      ePg     17:32:30.16  -5.8X
      eSn     17:33:10.50  S res =  -2.2X
      eSb     17:33:26.33  S res =  -1.4X
      eSg     17:33:34.55  S res =  -6.4X
 SCIA ePn     17:32:19.51  -0.1    5.4 312 g:1.1+0 .60 4.8X                  SCIA
      eSn     17:33:19.70  S res =  -1.4X
      eSb     17:33:34.65  S res =  -2.9X
      eSg     17:33:47.63  S res =  -4.2X
 LRAL ePn     17:32:20.42  -0.5    5.4 172 g:2.6-1 .80 4.0                   LRAL
      eSn     17:33:17.39  S res =  -6.0X
      eSb     17:33:41.68  S res =   1.4X
 ELN  ePn     17:32:25.47   0.2    5.8 100                                   ELN 
      eSn     17:33:28.42  S res =  -2.8X
 MIAR ePn     17:32:28.97   0.2    6.0 231 g:3.0-1 .73 4.2                   MIAR
      eSg     17:34:07.49  S res =  -5.8X
 BLA  ePn     17:32:29.62   0.8    6.0 100 g:1.0+0 1.0 4.6  b:1.0+2 .88 5.6X BLA 
      eSn     17:33:34.68  S res =  -3.0X
      eSb     17:33:53.11  S res =  -3.8X
      eSg     17:34:08.53  S res =  -4.8X
 MCWV         17:32:33.15  -0.2    6.4  77                                   MCWV
      ePn     17:32:38.32   4.9X
 VWCC ePn     17:32:36.05   2.6    6.4  98                                   VWCC
 GLMI ePn     17:32:36.11  -3.6    6.8  20                                   GLMI
      ePg     17:33:00.81  -9.7X
      eSg     17:34:33.44  S res =  -5.3X
 JSC  ePn     17:32:38.70  -0.2    6.8 126 d:4.0+2     3.8X                  JSC 
      eSn     17:33:51.85  S res =  -3.9X
      eSg     17:34:27.15  S res =  -9.8X
 KSU1 ePn     17:32:39.02  -1.2    6.9 278                                   KSU1
      ePg     17:33:03.34  -8.0X
      eSg     17:34:30.96  S res =  -9.1X
 LHS  ePn     17:32:41.90   0.6    6.9 123                                   LHS 
      ePg     17:33:13.34   0.6X
 COWI P       17:32:50.40  -1.4    7.7 353 d:5.7+2     4.1X g:1.2-1 .70 4.0  COWI
                                           b:2.4+1 .38 5.8X
 SSPA ePn     17:32:55.48  -0.6    8.0  71                                   SSPA
 ECSD ePn     17:33:01.44  -0.6    8.5 311                                   ECSD
 VBMS ePg     17:33:03.13  -2.9    6.6 200 g:5.9-1 1.2 4.3                   VBMS
      eSg     17:34:27.58  S res =  -3.7X
 NATX         17:33:05.85   0.5    8.7 222                                   NATX
 MVL  ePn     17:33:10.00  -0.6    9.1  77                                   MVL 
 CBKS ePn     17:33:13.43  -0.3    9.3 276                                   CBKS
 WMOK e       17:33:18.67   1.9    9.5 250 d:3.8+2     3.7X g:1.6-1 .83 4.2  WMOK
                                           b:1.2+1 .63 5.4X
 EYMN ePn     17:33:18.83  -2.4    9.9 346                                   EYMN
 JSRW ePb     17:33:19.67   2.6    7.9  92                                   JSRW
 BINY ePn     17:33:20.78   0.0    9.8  64                                   BINY
 HKT          17:33:33.89   0.5   10.7 220                                   HKT 
 AGMN ePn     17:33:36.78  -6.0X  11.4 332                                   AGMN
 NCB  ePn     17:33:43.70  -2.3   11.7  57                                   NCB 
 AMTX ePn     17:33:44.70  -1.3   11.6 256                                   AMTX
 LONY ePn     17:33:44.88  -1.7   11.7  54                                   LONY
 ACCN ePn     17:33:47.80  -0.4   11.8  61                                   ACCN
 FRNY ePn     17:33:54.86  -1.7   12.4  55                                   FRNY
 JCT  ePn     17:34:00.67   1.1   12.6 235                                   JCT 
 ULM  P       17:34:01.40  -4.3   13.1 337 g:6.7-3 .83 3.1X b:3.5+0 .73 4.6X ULM 
 RSSD P       17:34:10.31   0.2   13.4 300 g:7.8-2 .85 4.1  b:6.1+0 .40 5.0X RSSD
 SDCO ePn     17:34:15.83  -1.2   13.9 273                                   SDCO
 SMCO eP      17:34:37.35   6.5   14.9 279                                   SMCO
 MNTX P       17:34:38.88  -3.7   15.8 250 g:2.5-2 1.0 3.7  b:2.7+0 .50 3.7  MNTX
 AHID         17:35:12.41   0.7   18.1 291                                   AHID
 FFC  P       17:35:19.97   0.1   18.9 334 g:1.6-2 1.0 3.6  b:5.1+0 .60 3.9  FFC 
 FCC  P       17:35:43.42   3.6X  20.7 351 g:8.6-4 1.0 2.4X b:3.2-1 .73 2.8  FCC 
 EDM  P       17:36:06.60   3.0X  22.9 318                                   EDM 



 Generated 2008 APR 25 at 18:20 UTC

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


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