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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     29 SEP 2009  (272)

     ot  = 22:54:07.52   +/-   0.31              COLORADO                        
     lat =      37.010   +/-    3.4
     lon =    -104.810   +/-    3.3              MAGNITUDE 3.5 (GS)       
     dep =         5.0  (geophysicist)

     35 km (20 miles) WSW of Trinidad, Colorado (pop 9,000)
     35 km (20 miles) WNW of Raton, New Mexico (pop 7,200)
     70 km (40 miles) S of Walsenburg, Colorado (pop 4,100)
     305 km (190 miles) S of DENVER, Colorado
 
     ML 3.5 (GS). Felt (III) at Weston. Felt at Durango and Pueblo.
     Felt (II) at Los Lunas. Also felt at Albuquerque.

     nph =   32 of  74    se = 1.03    FE=479                            A   

     error ellipse = (  5.6,  0.0,  4.4; 95.6,  0.0,  4.4;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 3.5 ( 10)  mblg = 3.2 ( 18)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 T25A P       22:54:14.48   0.2    0.3  68                                   T25A
 S24A P       22:54:18.00  -3.1X   0.7 333                                   S24A
      S       22:54:27.57  S res =  -2.8X
 U24A P       22:54:19.02  -2.1    0.7 212                                   U24A
 S25A P       22:54:19.78  -1.5    0.7  25                                   S25A
 U25A P       22:54:20.21  -0.6    0.7 152                                   U25A
 ANMO ePn     22:54:47.80  -0.6    2.5 214 L:1.5-1 1.4 3.0  g:6.0-2 .85 2.9  ANMO
      eS      22:55:20.65  S res =   1.8X
 SMCO ePn     22:54:52.23  -0.5    2.8 322 L:9.4-1 .65 4.0  g:2.0-1 .80 3.5  SMCO
      eS      22:55:30.01  S res =  -1.8X
 ISCO ePn     22:54:54.30   0.3    2.9 347 L:1.5-1 1.2 3.3  g:1.3-1 .95 3.3  ISCO
      eS      22:55:32.78  S res =  -1.8X
 MVCO ePn     22:54:55.61   0.3    3.0 275 L:9.1-1 .77 4.1                   MVCO
      eS      22:55:36.76  S res =  -0.4X
 LPM  ePn     22:54:56.74  -0.2    3.1 209 L:6.7-2 .95 3.0                   LPM 
      eS      22:55:35.99  S res =   1.8X
 LAZ  ePn     22:54:57.83  -1.1    3.2 217 d:1.9+2     2.7X L:3.9-2 1.0 2.9  LAZ 
      ePg     22:55:08.36  -0.9X           g:3.4-2 1.0 2.7 
      eS      22:55:52.82  S res =   1.9X
 BNM  ePn     22:54:58.52  -0.4    3.2 208 d:2.4+2     3.0X L:9.1-2 .94 3.2  BNM 
                                           g:7.4-2 .94 3.1 
 PV15 ePn     22:54:58.64  -0.1    3.2 296                                   PV15
 LENM ePn     22:55:01.25   0.7    3.3 212                                   LENM
 MSTX qPn     22:55:02.78   0.6    3.5 151                                   MSTX
 PV05 ePn     22:55:09.62   5.8X   3.6 289                                   PV05
      eSb     22:55:58.16  S res =   3.1X
 PV09 ePn     22:55:13.81   7.7X   3.7 295                                   PV09
 W18A ePn     22:55:16.72   1.4    4.4 246                                   W18A
      ePg     22:55:27.29  -4.8X
      eSn     22:56:07.84  S res =   0.6X
 SRU  ePn     22:55:23.33   0.3    5.0 297 L:1.9-1 .93 4.1  g:1.0-1 .98 3.5  SRU 
      ePg     22:55:35.20  -7.6X
      eS      22:56:36.37  S res =   1.0X
 WMOK ePn     22:55:30.10   1.4    5.4 113 d:3.6+2     3.5X L:1.3-1 .90 4.0  WMOK
      ePg     22:55:42.96  -7.9X           g:1.0-1 .90 3.6  b:4.4+1 1.0 5.1X
      eSg     22:57:00.52  S res =  -0.2X
 MNTX ePn     22:55:31.16   3.5X   5.3 185 d:3.6+2     3.5X L:2.8-2 .88 3.4  MNTX
      ePg     22:55:44.11  -5.3X           g:2.6-2 1.0 2.9  b:1.9+1 .88 4.8X
      eSg     22:56:55.44  S res =  -2.9X
 TMUT ePn     22:55:31.69   0.8    5.5 296 L:4.8-1 1.0 4.6X g:1.1-1 1.0 3.6  TMUT
      ePg     22:55:45.13  -8.4X
      eS      22:56:52.26  S res =   0.6X
 MVU  ePn     22:55:37.92   0.0    6.1 287 L:4.0-2 .60 3.7X g:2.0-2 .80 3.0  MVU 
      ePg     22:55:55.08  -8.4X
      eSg     22:57:13.68  S res =  -8.2X
 ABTX ePn     22:55:38.22  -0.1    6.1 134 d:5.0+1     1.1X                  ABTX
      ePg     22:55:59.85  -4.5X
      eSg     22:57:23.43  S res =   0.1X
 MPU  ePn     22:55:38.24  -0.7    6.1 301                                   MPU 
      ePg     22:56:00.59  -4.4X
      eSg     22:57:17.54  S res =  -6.9X
 TUC  ePn     22:55:46.85  -1.1    6.8 228 g:2.0-2 1.2 2.9                   TUC 
      ePg     22:56:15.35  -2.4X
      eSg     22:57:37.59  S res =  -8.2X
 CTU  ePn     22:55:47.17   2.6    6.5 306 L:6.0-2 1.1 3.9X g:2.0-2 1.1 2.9  CTU 
 BGNE ePn     22:55:47.72   0.0    6.8  48                                   BGNE
      ePg     22:56:14.02  -3.4X
      eSg     22:57:46.66  S res =   1.4X
 KSU1 ePn     22:55:47.95   0.0    6.8  70 L:4.2-1 .85 4.8X g:1.2-1 .80 3.9  KSU1
      ePg     22:56:13.87  -3.9X
      eSg     22:57:42.85  S res =  -2.9X
 CCUT ePn     22:55:50.00   1.3    6.8 277 L:4.0-2 1.0 3.8X g:2.0-2 .98 3.0  CCUT
      ePg     22:56:12.12  -6.4X
      qSg     22:57:37.62  S res =  -9.6X
 DUG  ePn     22:55:50.80  -0.4    7.0 299 L:4.0-2 2.0 3.8X g:1.0-2 .95 2.7  DUG 
      eSg     22:57:46.64  S res =  -6.5X
 RSSD ePn     22:55:51.95  -0.7    7.1   4 L:5.2-1 .90 5.0X g:2.3-1 .90 4.1  RSSD
      eSg     22:57:53.40  S res =  -2.9X
 TUL1 qPn     22:55:54.86  -0.6    7.3  96                                   TUL1
 JCT  ePn     22:56:02.79   2.0    7.7 146                                   JCT 
      ePg     22:56:30.50  -5.1X
 IMW  ePn     22:56:08.07  -0.9    8.3 328 L:4.0-2 .65 4.1X g:2.0-2 1.0 3.1  IMW 
      eSg     22:58:29.57  S res =  -4.8X
 ECSD ePn     22:56:20.19  -0.3    9.2  40 L:1.8-1 .80 4.8X g:8.0-2 1.1 3.8  ECSD
      eSn     22:58:02.65  S res =  -1.5X



 Generated 2009 SEP 30 at 22:21 UTC

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


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