Phase Data

Explanation of Parameters


     11 MAY 2011  (131)

     ot  = 19:06:14.99   +/-   0.49              COLORADO                        
     lat =      37.057   +/-    4.7
     lon =    -104.695   +/-    5.3              MAGNITUDE 3.9 (GS)       
     dep =         5.0  (geophysicist)

     21 km (13 miles) SW of Trinidad, Colorado (pop 9,000)
     29 km (18 miles) NW of Raton, New Mexico (pop 7,200)
     63 km (39 miles) S of Walsenburg, Colorado (pop 4,100)
     299 km (186 miles) S of DENVER, Colorado
 
     ML 3.9 (GS).

     nph =   21 of 136    se = 1.18    FE=479                            A   

     error ellipse = (110.3,  0.0,  7.2;200.3,  0.0,  6.0;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 4.3 ( 20)  mblg = 3.5 ( 58)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 T25A ePg     19:06:19.37  -0.4    0.2  70 L:9.4+0 .65 2.7X                  T25A
      eSg     19:06:19.62  S res =  -3.4X
 SDCO ePg     19:06:30.90  -2.2    0.9 317 L:1.9+0 .68 3.3                   SDCO
      eSg     19:06:42.32  S res =  -2.9X
 S22A ePn     19:06:47.05  -0.4    1.8 293 L:2.2+0 .80 3.9  g:4.6-1 .73 3.8  S22A
      eSn     19:07:09.77  S res =  -1.4X
 Q24A ePn     19:06:49.02   0.1    1.9 349 L:4.5+0 .30 4.3  g:6.2-1 .80 3.9  Q24A
      eSn     19:07:12.82  S res =  -1.0X
 ANMO ePn     19:06:57.52   0.4    2.5 215 L:1.6-1 1.9 3.1X g:7.0-2 .80 3.1  ANMO
 KSCO ePn     19:06:58.76   1.7    2.5  39 L:4.9+1 .57 5.6X                  KSCO
      ePg     19:06:59.30  -4.4X
 SMCO ePn     19:07:01.24   0.7    2.8 320 L:1.9+0 .45 4.3  g:4.8-1 1.0 3.8  SMCO
 ISCO ePn     19:07:02.31   1.1    2.8 346 L:4.5-1 .85 3.7  g:1.6-1 .98 3.4  ISCO
 LPM  ePn     19:07:05.99   0.4    3.2 210                                   LPM 
 MVCO ePn     19:07:06.07   2.1X   3.0 274 L:1.8+0 1.4 4.5  g:4.3-1 .82 3.9  MVCO
 MSTX ePn     19:07:07.28  -2.3    3.5 152 L:2.0+0 .70 4.7  g:9.0-2 .80 3.3  MSTX
      ePg     19:07:17.25  -4.0X
 BNM  ePn     19:07:07.47  -0.1    3.3 209                                   BNM 
 LAZ  ePn     19:07:07.67   0.0    3.3 218                                   LAZ 
 PV01 ePn     19:07:07.78   0.8    3.3 290                                   PV01
 AMTX ePn     19:07:10.28   3.3X   3.3 131 L:2.5+0 1.2 4.7  g:8.3-1 1.1 4.1  AMTX
 Y22D ePn     19:07:11.04   1.0    3.5 212 L:9.2-1 1.1 4.3  g:1.2-1 .90 3.4  Y22D
 PV09 ePn     19:07:11.27  -3.2X   3.8 294                                   PV09
 PV10 ePn     19:07:12.92   0.0    3.7 292                                   PV10
 PV05 ePn     19:07:13.38   1.1    3.6 288                                   PV05
 N23A ePn     19:07:16.84   0.3    4.0 346 L:6.6-1 .63 4.4  g:1.5-1 .70 3.6  N23A
 O20A ePn     19:07:17.42  -1.7    4.1 319 L:3.4-1 1.0 4.2  g:9.0-2 .90 3.3  O20A
 PHWY ePn     19:07:19.38  -1.7    4.3 352 L:4.9-1 .70 4.3  g:1.1-1 .82 3.5  PHWY
 CBKS ePn     19:07:20.87  -0.1    4.3  64                                   CBKS
 OGNE ePn     19:07:23.61   1.1    4.4  27 L:3.5+0 .47 5.2  g:5.2-1 .73 4.2  OGNE
 W18A ePn     19:07:27.28   3.1X   4.5 246 d:1.2+2     2.2X L:3.2-1 2.0 4.2  W18A
                                           g:6.0-2 .90 3.2 
 SRU  ePn     19:07:31.42   0.1X   5.0 296 L:3.9-1 .82 4.5  g:1.9-1 .80 3.8  SRU 
 X18A ePn     19:07:32.41   2.1X   5.0 241 L:1.6-1 1.3 4.0  g:1.1-1 1.2 3.4  X18A
 P18A ePn     19:07:32.63   0.8X   5.1 302 L:2.6-1 .88 4.3  g:1.0-1 .97 3.5  P18A
 WMOK ePn     19:07:35.52   0.3X   5.3 114 L:4.1-1 .70 4.5  g:2.4-1 1.0 3.9  WMOK
 Q16A ePn     19:07:38.26   1.3X   5.4 292 L:3.4-1 1.2 4.5X g:2.8-1 1.1 3.9  Q16A
      ePg     19:07:53.96  -5.3X
 TMUT ePn     19:07:41.01   1.8X   5.6 296 L:7.4-1 1.0 4.8X g:1.7-1 1.0 3.8  TMUT
 W34A ePn     19:07:41.50  -1.4X   5.9 106 L:1.3+0 1.3 5.1X g:3.6-1 1.0 4.1  W34A
      ePg     19:08:01.10  -6.7X
 WUAZ ePn     19:07:41.51   2.3X   5.6 256 L:2.7-1 1.2 4.4X g:6.0-2 .93 3.4  WUAZ
 U34A ePn     19:07:41.94   0.5X   5.8  94 L:1.5+0 1.2 5.2X g:1.2-1 .75 3.8  U34A
      ePg     19:07:59.94  -5.8X
 V34A ePn     19:07:43.00  -0.2X   5.9 100 L:1.2+0 .88 5.1X g:2.0-1 .73 4.0  V34A
      ePg     19:08:01.96  -6.3X
 K22A ePn     19:07:44.28   3.0X   5.8 346 L:3.7-1 .77 4.6X g:1.1-1 1.1 3.5  K22A
 ABTX ePn     19:07:46.85   1.5X   6.1 135 L:7.5-1 .93 4.9X g:1.4-1 .85 3.8  ABTX
      ePg     19:08:02.83  -8.4X
 MTPU ePn     19:07:47.57   2.4X   6.0 282 L:2.2-1 1.5 4.4X g:6.0-2 .90 3.4  MTPU
      ePg     19:08:04.17  -6.4X
 MSU  ePn     19:07:47.96   1.9X   6.1 286                                   MSU 
      ePg     19:08:06.09  -5.8X
 PKCU ePn     19:07:48.03   2.1X   6.1 276 L:3.5-1 2.2 4.6X g:2.1-1 1.2 3.8  PKCU
 X16A ePn     19:07:48.33   2.5X   6.1 246 L:1.1-1 1.4 4.1X g:8.0-2 1.2 3.4  X16A
 U15A ePn     19:07:48.49   2.0X   6.1 266 L:1.9-1 1.2 4.3X g:6.0-2 1.0 3.4  U15A
      ePg     19:07:50.77 -21.7X
 P17A ePg     19:07:50.08  -7.1X   5.3 299 L:2.4-1 1.0 4.3  g:1.5-1 1.1 3.6  P17A
 JLU  ePn     19:07:51.29   1.8X   6.4 306 L:1.5-1 1.5 4.3X g:3.0-2 .82 3.2  JLU 
      ePg     19:08:11.90  -4.7X
 MNTX ePg     19:07:51.72  -6.3X   5.4 186 L:2.4-1 1.1 4.3  g:1.0-1 1.0 3.5  MNTX
 KSU1 ePn     19:07:52.99  -1.0X   6.7  70 L:3.2-1 .60 4.7X g:1.9-1 .73 4.1  KSU1
      ePg     19:08:17.81  -5.4X
 BGNE ePn     19:07:53.62  -0.2X   6.7  47 L:3.1+0 .52 5.7X g:5.2-1 .75 4.5  BGNE
 TCUT ePn     19:07:53.79   0.7X   6.6 310 L:2.9-1 1.2 4.6X g:8.0-2 1.0 3.5  TCUT
      ePg     19:08:13.52  -8.1X
 PD31 ePn     19:07:55.40  -0.5X   6.8 328                                   PD31
 BW06 ePn     19:07:55.88   0.0X   6.8 328 L:7.0-2 1.3 4.0X g:2.0-2 1.0 3.0  BW06
      ePg     19:08:17.82  -7.7X
 319A ePn     19:07:56.48   0.6X   6.8 215 L:8.0-2 1.3 4.1X g:4.0-2 1.3 3.2  319A
      ePg     19:08:24.87  -0.8X
 LCMT ePn     19:07:57.63   1.5X   6.8 272 L:9.0-2 1.3 4.1X g:5.0-2 1.1 3.3  LCMT
      eScP    19:18:21.97   1.6X
 HWUT ePn     19:07:58.09  -0.2X   7.0 313 L:1.4-1 1.2 4.3X g:3.0-2 .98 3.2  HWUT
      ePg     19:08:21.51  -7.5X
 RSSD ePn     19:07:59.42   0.1X   7.1   4 L:4.1-1 1.0 4.8X g:1.0-1 .90 3.8  RSSD
 TUL1 ePn     19:08:01.64  -0.1X   7.3  96 L:7.0-1 .73 5.1X g:2.8-1 .93 4.2  TUL1
      ePg     19:08:27.87  -6.2X
 BGU  ePn     19:08:06.48   0.6X   7.6 303 L:3.0-2 1.7 3.8X g:1.0-2 1.2 2.7  BGU 
      ePg     19:08:35.04  -4.6X
 PSUT ePn     19:08:06.49   2.6X   7.4 284 L:4.0-2 1.6 3.9X g:2.0-2 1.0 3.0  PSUT
      ePg     19:08:28.58  -8.2X
      e       19:08:30.10
 AHID ePn     19:08:06.49   0.9X   7.5 321 d:2.8+1     0.4X L:2.6-2 .85 3.7X AHID
      eSg     19:10:09.32  S res =  -7.4X  g:1.9-2 .85 3.1 
 JCT  ePn     19:08:09.04   0.9X   7.7 147 L:5.7-1 .90 5.1X g:1.8-1 1.0 4.0  JCT 
 TX31 ePn     19:08:10.19   1.6X   7.7 173                                   TX31
 HVU  ePn     19:08:10.47   0.8X   7.8 310 L:5.0-2 2.3 4.1X g:1.0-2 1.0 2.8  HVU 
 NLU  ePg     19:08:12.72  -6.2X   6.5 299 L:7.0-2 1.8 4.0X g:4.0-2 1.2 3.1  NLU 
 KNB  ePg     19:08:14.06  -5.5X   6.5 272 L:2.5-1 1.3 4.5X g:9.0-2 .99 3.6  KNB 
 MOOW ePn     19:08:15.71   2.0X   8.1 327 d:3.3+2     3.4X L:1.6-2 .35 3.6X MOOW
                                           g:1.2-2 .90 2.9  b:7.6+0 .35 5.4X
 HHAR ePn     19:08:21.07  -0.1X   8.7  92 L:4.8-1 1.1 5.2X g:1.6-1 .97 4.1  HHAR
 TUC  ePg     19:08:23.61  -3.5X   6.9 228 L:3.0-2 1.4 3.7X g:1.0-2 1.1 2.7  TUC 
 DUG  ePg     19:08:23.80  -6.9X   7.1 299 L:6.0-2 1.3 4.0X g:1.0-2 .88 2.8  DUG 
 ECSD ePn     19:08:28.05   1.4X   9.1  40 g:1.7-1 1.0 4.1                   ECSD
 CCUT ePg     19:08:28.98   1.3X   6.9 277 L:6.0-2 .91 4.0X g:3.0-2 1.1 3.1  CCUT
 MIAR ePn     19:08:29.78  -1.0X   9.4 102 g:2.2-1 1.0 4.2                   MIAR
 Y14A ePg     19:08:33.84  -4.0X   7.5 248 L:2.8-1 1.7 4.7X g:1.1-1 1.1 3.7  Y14A
 W13A ePg     19:08:37.91  -4.4X   7.7 258 L:4.0-2 1.7 3.9X g:1.0-2 .95 2.8  W13A
 X301 ePn     19:08:40.96   0.2X  10.1  97                                   X301
 WHAR ePn     19:08:42.13   0.3X  10.2  96                                   WHAR
 UALR ePn     19:08:44.12   1.1X  10.3  99                                   UALR
      eLg     19:11:40.59
 BMO  ePn     19:09:11.26   0.4X  12.3 313                                   BMO 
 RLMT eLR     19:10:50.75          8.8 338                                   RLMT
 Y12C eLR     19:10:55.89          8.7 251                                   Y12C
 GLA  eLR     19:11:08.34          9.2 247                                   GLA 
 LAO  eLR     19:11:26.29          9.7 354                                   LAO 
 CCAR eLR     19:12:09.03         11.0 103                                   CCAR
 YER  eLR     19:12:29.96         94.3  36                                   YER 
 PARMOeLR     19:12:35.06         12.0  87                                   PARM
 SIUC eLR     19:12:41.89         12.3  82                                   SIUC
 HDIL eLR     19:12:48.26         12.5  69                                   HDIL
 GLAT eLR     19:12:48.97         12.4  89                                   GLAT
 UTMT eLR     19:12:58.47         12.7  88                                   UTMT
 OLIL eLR     19:13:10.64         13.2  78                                   OLIL
 USIN eLR     19:13:20.72         13.6  81                                   USIN
 WVT  eLR     19:13:21.12         13.6  89                                   WVT 
 SFIN eLR     19:13:38.66         14.1  71                                   SFIN
 BLO  eLR     19:13:52.57         14.5  76                                   BLO 
 ULM  eLR     19:13:55.55         14.6  23                                   ULM 
 WCI  eLR     19:13:56.22         14.6  80                                   WCI 
 SWET eLR     19:14:19.20         15.3  91                                   SWET
 CPCT eLR     19:14:44.59         16.4  90                                   CPCT
 ACSO eLR     19:15:13.72         17.3  73                                   ACSO
 KMSC eLR     19:16:08.86         19.0  89                                   KMSC
 JSC  eLR     19:16:20.16         19.2  91                                   JSC 
 ALLY eLR     19:16:31.41         19.5  69                                   ALLY
 SADO eLR     19:17:04.70         20.7  60                                   SADO
 SSPA eLR     19:17:20.64         21.2  72                                   SSPA
 MMNY eLR     19:17:26.04         21.3  66                                   MMNY
 URVA eLR     19:17:35.94         21.6  80                                   URVA
 MVL  eLR     19:18:00.88         22.3  74                                   MVL 
 KSPA eLR     19:18:15.53         22.8  70                                   KSPA
 LUPA eLR     19:18:21.26         23.1  72                                   LUPA
 ODNJ eLR     19:18:36.52         23.6  71                                   ODNJ
 MDV  eLR     19:19:23.42         24.8  64                                   MDV 



 Generated 2011 MAY 11 at 20:30 UTC

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