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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     17 AUG 2009  (229)

     ot  = 00:22:10.90   +/-   0.25              COLORADO                        
     lat =      38.456   +/-    2.4
     lon =    -102.679   +/-    2.6              MAGNITUDE 3.9 (GS)       
     dep =         5.0  (geophysicist)

     40 km (25 miles) N of Lamar, Colorado (pop 8,800)
     90 km (55 miles) NE of La Junta, Colorado (pop 7,500)
     95 km (60 miles) WNW of Syracuse, Kansas (pop 1,800)
     245 km (150 miles) SE of DENVER, Colorado
 
     Felt (III) at Eads, Holly and Sheridan Lake; (II) at Lamar. Also
     felt at Cheyenne Wells and Kit Carson. Felt (III) at Tribune,
     Kansas. Also felt at Garden City, Kendall, Lakin, Leoti, Sharon
     Springs, Syracuse and Ulysses.

     nph =   46 of  84    se = 0.86    FE=479                            A   

     error ellipse = ( 80.2,  0.0,  3.4;170.2,  0.0,  3.2;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 4.6 ( 12)  mblg = 4.0 ( 28)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 R27A iPc     00:22:15.04   0.3    0.2 209                                   R27A
 KSCO iPc     00:22:21.26  -0.4    0.6   4                                   KSCO
      eS      00:22:28.52  S res =  -0.3X
 R26A ePc     00:22:22.16  -0.7    0.6 256                                   R26A
 Q26A iPc     00:22:25.54  -0.9    0.8 306                                   Q26A
 S27A iPc     00:22:26.00  -0.1    0.8 193                                   S27A
 S26A iPc     00:22:30.07  -0.8    1.0 217                                   S26A
 R25A ePc     00:22:34.21  -1.7    1.3 257                                   R25A
 Q25A iPc     00:22:34.99  -1.1    1.3 291                                   Q25A
 T27A iPc     00:22:37.01  -0.1    1.4 181                                   T27A
 T28A iPc     00:22:37.33   0.0    1.4 161                                   T28A
 T26A iPc     00:22:37.82  -0.4    1.5 210                                   T26A
 S25A eP      00:22:39.36  -0.7    1.6 241                                   S25A
 T25A ePd     00:22:44.16   0.0    1.9 227                                   T25A
 U26A eP      00:22:48.99   0.3    2.2 203                                   U26A
 SDCO iPnd    00:22:51.06   0.8    2.3 253 L:5.5-1 .58 3.5X g:3.6-1 .70 3.8  SDCO
      eSn     00:23:17.33  S res =  -2.2X
 U25A eP      00:22:52.78   0.7    2.5 214                                   U25A
 OGNE ePnc    00:22:52.98   0.2    2.5  11 d:3.2+2     5.1X L:4.9+0 .43 4.6  OGNE
      eSn     00:23:25.21  S res =   1.1X  g:1.5+0 .83 4.4 
 ISCO ePnd    00:22:54.97   0.4    2.6 301 L:1.5+0 1.0 4.1  g:4.2-1 .77 3.9  ISCO
      eSn     00:23:27.14  S res =  -0.1X
 SMCO ePn     00:23:06.13   0.7    3.4 283 d:3.5+2     5.6X L:3.2-1 .83 3.9  SMCO
      eSn     00:23:44.95  S res =  -1.7X  g:2.3-1 .85 3.7 
 PHWY ePn     00:23:07.68   0.6    3.6 324 L:1.4+0 .43 4.6  g:7.4-1 .83 4.2  PHWY
      eSn     00:23:48.79  S res =  -0.8X
 AMTX ePn     00:23:08.59   0.4    3.7 167 L:2.3+0 .53 4.8  g:1.1+0 .63 4.5  AMTX
      eSn     00:23:53.68  S res =   1.9X
 MSTX ePn     00:23:19.70   0.2    4.5 181 L:3.0+0 .75 5.2  g:3.2-1 .90 3.9  MSTX
      eSn     00:24:12.78  S res =   0.7X
 BGNE ePn     00:23:20.82   0.2    4.6  48 L:4.2+0 .43 5.4  g:8.3-1 .95 4.3  BGNE
      eSn     00:24:12.11  S res =  -1.9X
 ANMO ePn     00:23:20.96  -0.8    4.6 222 L:1.9-1 .70 4.0  g:1.2-1 .70 3.6  ANMO
      ePg     00:23:34.17  -5.5X
      eSn     00:24:20.74  S res =   4.7X
 KSU1 ePn     00:23:23.53  -0.1    4.8  80 L:9.4-1 .50 4.8  g:4.2-1 .90 4.1  KSU1
      eSn     00:24:17.18  S res =  -2.3X
 MVCO ePn     00:23:24.06   0.4    4.8 257 L:4.0-1 .73 4.4  g:1.1-1 .98 3.5  MVCO
      ePg     00:23:41.09  -1.2X
      eSn     00:24:20.89  S res =   1.4X
 WMOK ePn     00:23:24.14  -0.5    4.9 139 L:7.9-1 .43 4.7  g:4.8-1 .65 4.3  WMOK
      eSn     00:24:18.69  S res =  -2.6X
 RWWY ePn     00:23:24.47   1.2    4.7 314 L:1.1+0 .63 4.9  g:2.4-1 .85 3.9  RWWY
      ePg     00:23:36.84  -4.9X
      eSg     00:24:36.50  S res =  -6.7X
 PV04 ePn     00:23:26.47   1.2    4.9 271                                   PV04
      eSn     00:24:21.29  S res =  -1.1X
 PV01 ePg     00:23:34.24  -5.7X   4.6 268 L:1.6+1 .94 6.0X g:1.3+1 .94 5.6X PV01
 RSSD ePn     00:23:37.47   0.4    5.8 350 d:3.5+2     6.4X L:6.0-1 .60 4.8X RSSD
      eSg     00:25:14.95  S res =  -0.6X  g:3.8-1 .75 4.3 
 SRU  ePn     00:23:41.31  -1.5    6.2 279 d:1.0+2     5.5X L:5.8-2 .62 3.8X SRU 
      ePg     00:24:03.71  -5.3X           g:4.5-2 .86 3.3  b:2.9+1 .62 5.3X
 TUL1 ePn     00:23:42.70   1.6    6.1 113 L:1.6+0 .90 5.3X g:6.1-1 .95 4.4  TUL1
      eSn     00:24:49.06  S res =  -1.7X
 CLNB ePn     00:23:44.06   0.1    6.3 189 d:2.8+2     6.5X L:8.3-2 .48 4.0X CLNB
      ePg     00:24:06.17  -4.6X           g:2.5-1 1.5 3.8X b:1.7+1 .42 5.2X
      eSg     00:25:26.04  S res =  -5.7X
 GDL2 ePn     00:23:46.63   0.8    6.4 193                                   GDL2
      eSn     00:24:58.46  S res =  -0.8X
 LPM  ePg     00:23:46.73  -4.2X   5.2 219                                   LPM 
      eSg     00:24:51.25  S res =  -7.4X
 BRSD ePn     00:23:48.25  -0.4    6.6  24                                   BRSD
 LAZ  ePg     00:23:49.57  -5.0X   5.4 223 L:4.3-2 .60 3.6X g:2.4-2 .70 3.0  LAZ 
      eSg     00:24:57.54  S res =  -7.2X  b:5.3+1 .74 5.3X
 W18A ePn     00:23:50.77   2.4X   6.6 242 L:1.8-1 1.0 4.4X g:9.0-2 1.1 3.6  W18A
 TMUT ePn     00:23:51.31   1.0    6.7 280                                   TMUT
      eSn     00:25:06.75  S res =  -0.5X
 LENM ePg     00:23:52.12  -4.3X   5.5 220                                   LENM
 DAU  ePn     00:23:53.67   0.4    6.9 289 d:2.0+1     4.4X L:7.3-2 1.7 4.1X DAU 
                                           g:1.7-1 1.7 3.7X b:1.7+2 1.7 5.9X
 MNTX ePn     00:23:56.68   1.3    7.1 199 d:3.9+2     7.1X L:2.0-1 .65 4.5X MNTX
      ePg     00:24:19.84  -7.0X           g:1.7-1 .88 4.0  b:3.9+1 .63 5.8X
      eSg     00:25:49.01  S res =  -9.7X
 WUAZ ePn     00:24:00.15  -1.7    7.6 250 d:1.7+1     4.5X L:3.4-2 1.4 3.8X WUAZ
      eSg     00:26:06.32  S res =  -7.0X  g:1.6-2 1.0 3.0X
 LOHW ePn     00:24:07.40   0.8    7.9 313 L:1.8-1 1.0 4.6X g:5.0-2 .95 3.5  LOHW
 SNOW ePn     00:24:07.57   1.0    7.9 312 d:2.6+1     5.0X L:6.9-2 .55 4.2X SNOW
                                           g:4.0-2 .80 3.5 
 MIAR ePn     00:24:11.04  -0.9    8.3 115 L:4.5-1 .98 5.1X g:1.9-1 .80 4.2  MIAR
      eSn     00:25:42.75  S res =  -3.4X
 JCT  ePn     00:24:11.54  -0.5    8.3 163 L:1.1+0 .70 5.5X g:2.3-1 .80 4.3  JCT 
 UALR ePn     00:24:23.47   0.8    9.1 111 d:1.9+2     7.2X L:3.4-1 .70 5.1X UALR
                                           g:2.0-1 .70 4.4  b:2.9+1 .50 5.9X
 SPMN ePn     00:24:33.07  -2.1   10.0  44 g:6.0-2 .80 3.8                   SPMN
 HDIL ePn     00:24:39.50  -3.3X  10.6  74 g:2.7-1 .98 4.4                   HDIL
 SIUC ePn     00:24:43.48  -0.5   10.6  90 g:1.7-1 .95 4.3                   SIUC
 SFIN ePn     00:25:01.21  -4.2X  12.2  76 g:1.0-1 1.0 4.1                   SFIN



 Generated 2009 AUG 17 at 23:36 UTC

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


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