Phase Data

Explanation of Parameters


      9 FEB 2013  ( 40)

     ot  = 09:58:02.74   +/-   1.49              COLORADO                        
     lat =      37.049   +/-    6.2
     lon =    -104.813   +/-    4.2              MAGNITUDE 2.9 (GS)       
     dep =         5.0   +/-    2.0   

     31 km (19 miles) WSW of Trinidad, Colorado (pop 9,000)
     37 km (23 miles) WNW of Raton, New Mexico (pop 7,200)
     64 km (40 miles) S of Walsenburg, Colorado (pop 4,100)
     299 km (186 miles) S of DENVER, Colorado
 
     ML 2.9 (GS).

     nph =   15 of  68    se = 0.74    FE=479                            A   

     error ellipse = ( 24.0,  0.0, 10.2;114.0,  2.0,  5.4;291.0, 87.0,  3.1)

 mb = 0.0 (  0)  ML = 2.9 (  1)  mblg = 2.8 ( 23)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 T25A ePg     09:58:08.83  -0.4    0.3  74 L:3.1+0 .52 2.9                   T25A
      eSg     09:58:14.00  S res =   0.4 
 SDCO ePg     09:58:17.09  -2.6    0.9 322 L:1.7-1 .60 2.2                   SDCO
      eSg     09:58:32.42  S res =   1.2 
 S22A ePn     09:58:32.67  -1.4    1.8 294 L:2.7-1 .63 2.9  g:4.0-2 .90 2.7  S22A
      eSn     09:58:56.46  S res =  -0.4 
 Q24A ePn     09:58:36.46  -0.1    1.9 352 L:1.2-1 .75 2.7  g:3.0-2 .75 2.6  Q24A
      eSn     09:59:01.75  S res =   0.4 
 ANMO ePn     09:58:44.12   0.1    2.5 213 L:4.0-2 4.9 2.4  g:2.0-2 .85 2.4  ANMO
      eSn     09:59:14.30  S res =  -0.6 
 KSCO ePn     09:58:46.38   0.7    2.6  41 L:1.1+0 .85 3.9  g:8.0-2 1.0 3.1  KSCO
 SMCO ePn     09:58:48.12   0.6    2.7 322 L:1.4-1 .43 3.0  g:2.0-2 .88 2.5  SMCO
      eSn     09:59:27.49  S res =   6.4X
 ISCO ePn     09:58:49.07   0.4    2.8 347 L:5.0-2 4.3 2.7                   ISCO
      eSn     09:59:28.10  S res =   4.9X
 MVCO ePn     09:58:53.28   2.8    3.0 274 L:1.4-1 .63 3.2  g:4.0-2 .75 2.9  MVCO
      eSn     09:59:31.75  S res =   5.4X
 LAZ  ePn     09:58:53.96  -1.7X   3.3 213                                   LAZ 
 LENM ePn     09:58:56.06  -0.2    3.4 212                                   LENM
 PV07 ePn     09:58:56.29   0.5X   3.3 296 L:7.0-2 4.9 3.0  g:2.0-2 .93 2.6  PV07
 AMTX ePn     09:58:56.61   1.0X   3.3 129 L:1.8-1 .45 3.4  g:3.0-2 .73 2.8  AMTX
 PV01 ePn     09:58:58.60   5.0X   3.2 291 L:7.0-2 3.9 2.9  g:2.0-2 .96 2.7  PV01
 BNM  ePn     09:59:00.99   6.4X   3.3 208                                   BNM 
 PV02 ePn     09:59:02.16   6.6X   3.3 292 L:9.0-2 .70 3.1                   PV02
 PV13 ePn     09:59:02.23   6.0X   3.4 290 L:1.3-1 4.2 3.3                   PV13
 PV11 ePn     09:59:02.58   5.2X   3.5 292 L:1.8-1 .90 3.4                   PV11
 PV20 ePn     09:59:02.94   4.4X   3.5 293 L:5.0-2 4.7 2.9                   PV20
 PV03 ePn     09:59:03.13   6.2X   3.4 292 L:8.0-2 4.4 3.1  g:2.0-2 .98 2.6  PV03
 PV21 ePn     09:59:03.76   4.0X   3.6 296 L:8.0-2 3.1 3.2                   PV21
 PV05 ePn     09:59:03.85   6.1X   3.5 290 L:6.0-2 4.8 3.0                   PV05
 PV16 ePg     09:59:04.70  -0.4X   3.5 292 L:1.0-1 1.1 3.2  g:1.0-2 .83 2.5  PV16
 PV10 ePn     09:59:05.31   6.2X   3.6 292 L:1.0-1 4.7 3.2                   PV10
 PV14 ePn     09:59:05.58   6.3X   3.6 293 L:9.0-2 1.3 3.2                   PV14
 PV19 ePg     09:59:06.28   0.3X   3.5 292 L:9.0-2 1.3 3.2                   PV19
 PV23 ePg     09:59:09.53   2.3X   3.6 294 L:1.1-1 4.2 3.3                   PV23
 PV09 ePg     09:59:09.71   0.7X   3.7 294                                   PV09
 N23A ePn     09:59:16.76  12.6X   3.9 347 L:9.0-2 4.3 3.3                   N23A
 O20A ePg     09:59:18.30   3.0X   4.1 320 L:9.0-2 4.7 3.4                   O20A
 W18A ePg     09:59:21.17   0.1X   4.4 246 L:5.0-2 2.0 3.2                   W18A
 CBKS ePg     09:59:24.11   3.9X   4.4  65 L:3.2-1 .75 4.0  g:3.0-2 .75 3.0  CBKS
      eSg     10:00:20.00  S res =   6.6X
 X18A ePg     09:59:30.12   1.4X   4.9 241 L:4.0-2 4.7 3.2                   X18A
 SRU  ePg     09:59:30.75   0.7X   5.0 296 L:5.0-2 4.9 3.4                   SRU 
 MNTX ee      09:59:38.97   0.0X   5.4 185 L:3.0-2 4.9 3.3                   MNTX
 WUAZ ePg     09:59:41.61   2.0X   5.5 256 L:5.0-2 4.9 3.5                   WUAZ
 TMUT ee      09:59:42.18   0.0X   5.5 296 L:5.0-2 4.9 3.5                   TMUT
      ee      10:00:52.68   0.0X
 WMOK ee      09:59:42.25   0.0X   5.4 113 L:8.0-2 4.7 3.7                   WMOK
 PV15 eSg     09:59:42.89   3.8X   3.2 295                                   PV15
 X16A ePg     09:59:49.57   1.7X   6.0 246 L:3.0-2 4.9 3.5                   X16A
 U15A ePg     09:59:51.20   2.6X   6.0 266 L:3.0-2 4.6 3.5                   U15A
 MTPU ee      09:59:52.16   0.0X   5.9 282 L:4.0-2 4.7 3.5                   MTPU
      ee      10:01:05.10   0.0X
 PKCU ee      09:59:53.10   0.0X   6.0 276 L:1.4-1 4.9 4.1                   PKCU
 PV12 eSg     09:59:54.09   8.5X   3.4 293                                   PV12
 MPU  ee      09:59:57.24   0.0X   6.1 301 L:3.0-2 4.9 3.5                   MPU 
 PV04 eLg     09:59:58.21   0.7X   3.5 294 g:5.0-2 1.2 3.1                   PV04
 KNB  ee      10:00:00.11   0.0X   6.4 272 g:1.0-2 1.2 2.8                   KNB 
 TCUT ee      10:00:05.01   0.0X   6.5 310                                   TCUT
 SZCU ee      10:00:05.68   0.0X   6.6 277                                   SZCU
 LCMT ee      10:00:05.81   0.0X   6.7 272                                   LCMT
 PD31 ee      10:00:11.10   0.0X   6.8 329                                   PD31
 OGNE eLg     10:00:30.10   1.8X   4.5  28                                   OGNE
 GDL2 eSg     10:00:35.96   9.0X   4.9 176                                   GDL2
 RWWY eLR     10:00:43.04          5.0 339                                   RWWY
 KSU1 ee      10:01:36.97   0.0X   6.8  70                                   KSU1
 RSSD ee      10:01:51.49   0.0X   7.1   5 g:1.0-2 1.2 2.8                   RSSD
 JCT  ee      10:02:10.76   0.0X   7.8 146 g:1.0-2 .75 2.8                   JCT 



 Generated 2013 FEB  9 at 10:32 UTC

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