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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     29 MAR 2007  ( 88)

     ot  = 05:39:31.00   +/-   0.00         WESTERN MONTANA                 
     lat =      45.340   +/-    0.0
     lon =    -112.580   +/-    0.0              MAGNITUDE 3.7 (SLM)      
     dep =        13.4   +/-    0.0   

     15 km (10 miles) NNE of Dillon, Montana (pop 3,700)
     75 km (45 miles) S of Butte, Montana (pop 33,000)
     75 km (45 miles) ESE of Wisdom, Montana (pop 100)
     145 km (90 miles) SSW of HELENA, Montana (pop 25,000)

     nph =   56 of  73    se = 0.00    FE=456                            held

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

 mb = 0.0 (  0)  ML = 3.9 ( 24)  mblg = 3.7 ( 30)  md = 3.5 (  9)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DLMT ePg     05:39:33.46  -0.2    0.0 333                                   DLMT
 MCMT ePg     05:39:41.82   0.0    0.5 200                                   MCMT
 BOZ  ePg     05:39:44.58  -0.7    0.7  65 d:4.5+2     3.8  L:3.5+0 .30 3.4  BOZ 
      eSg     05:39:54.26  S res =  -0.8X  g:1.1+0 .65 3.9 
 QLMT ePg     05:39:49.22  -0.4    1.0 121 d:2.7+2     3.3                   QLMT
 YMR  ePn     05:39:55.90   0.5    1.3 120 d:2.6+2     3.4  L:1.7+1 .46 4.5  YMR 
      eSn     05:40:14.64  S res =   1.6X  g:8.5+0 .76 4.9X
 HRY  ePn     05:39:57.59   0.3    1.5  21 d:2.3+2     3.4                   HRY 
 YNR  ePn     05:39:58.77   1.2    1.5 114 d:2.4+2     3.4                   YNR 
      eSn     05:40:18.09  S res =   1.1X
 YFT  ePn     05:39:59.50   1.4    1.5 125 d:2.1+2     3.3                   YFT 
      eSn     05:40:19.59  S res =   1.7X
 CHMT ePn     05:40:00.32   0.6    1.6 344                                   CHMT
 MSO  ePn     05:40:01.30   0.0    1.8 328 d:2.5+2     3.5  L:2.5+0 .45 3.9  MSO 
      ePg     05:40:04.39  -0.5X           g:1.0+0 .73 4.1 
      eSn     05:40:25.94  S res =   2.3X
 FLWY ePn     05:40:04.27   1.9    1.8 132 d:2.7+2     3.6  L:3.0+0 .53 4.0  FLWY
      eSg     05:40:31.73  S res =   1.6X  g:1.7+0 .73 4.4 
 IMW  ePn     05:40:04.53   1.8    1.9 140 d:2.8+2     3.7  L:3.0+0 .35 4.0  IMW 
      eSg     05:40:31.37  S res =   0.5X  g:1.7+0 .68 4.4 
 GCMT ePn     05:40:06.94   1.1    2.1  77 d:4.5+0    -0.3X                  GCMT
      eSg     05:40:36.39  S res =  -2.0X
 MOOW ePn     05:40:07.58   2.1    2.1 140                                   MOOW
      eSn     05:40:35.09  S res =   3.9X
 DCID1P       05:40:07.61   2.8    2.0 150 d:2.1+2     3.5X                  DCID
 HLID ePn     05:40:08.78   1.3    2.2 217                                   HLID
 TPAW ePn     05:40:10.02   2.8    2.2 147                                   TPAW
 LOHW P       05:40:10.39   2.5    2.2 140 d:3.2+2     3.9X L:1.2+0 .55 3.8  LOHW
                                           g:7.3-1 .68 4.1 
 SNOW P       05:40:11.31   2.7    2.3 144 d:2.3+2     3.6X L:9.6-1 .53 3.7  SNOW
                                           g:7.0-1 .95 3.9 
 REDW P       05:40:11.91   2.7    2.3 147 d:2.6+2     3.8X L:6.5-1 1.0 3.6  REDW
                                           g:5.7-1 1.0 3.8 
 RLMT P       05:40:11.91   2.7    2.4  94 d:3.2+2     4.0X L:2.5+0 .53 4.2  RLMT
                                           g:9.1-1 .63 4.2 
 AHID P       05:40:19.22   3.8    2.8 157 d:1.5+2     3.3X L:2.1-1 .48 3.3  AHID
                                           g:1.5-1 .85 3.4 
 EGMT ePn     05:40:23.46   0.9    3.3  35 L:6.9-1 .63 4.2  g:5.5-1 .85 4.0  EGMT
 BMO  ePn     05:40:23.80   0.3    3.4 263 d:3.3+2     4.3X L:4.7-1 .48 4.0  BMO 
      ePg     05:40:32.67  -3.1X           g:2.4-1 .68 3.8 
      eSg     05:41:18.31  S res =  -1.3X
 HVU  ePn     05:40:24.14  -1.9    3.6 182 d:1.2+2     3.4X L:4.7-1 .74 4.1  HVU 
      ePg     05:40:34.94  -4.3X           g:3.0-1 .74 3.9 
      eSg     05:41:22.33  S res =  -3.1X
 BW06 ePn     05:40:28.78   5.3    3.4 139 d:3.4+2     4.4X L:7.3-2 .60 3.2  BW06
                                           g:6.7-2 .98 3.1 
 WALA P       05:40:31.65   1.9    3.8 347 d:3.7+2     4.6X L:6.1-1 .63 4.3  WALA
                                           g:3.4-1 .63 4.0 
 HWUT P       05:40:36.53   7.1    3.8 168 d:2.7+2     4.3X L:1.2-1 .68 3.6  HWUT
                                           g:9.6-2 .85 3.3 
 NEW  P       05:40:37.02   1.3    4.3 315 d:3.4+2     4.6X L:3.2-1 .45 4.1  NEW 
                                           g:2.5-1 .88 3.8 
 LAO  P       05:40:42.20   1.6    4.6  71 d:1.6+2     4.0X L:5.3-1 .63 4.5  LAO 
                                           g:3.0-1 .63 4.1 
 SPUT P       05:40:45.97  13.5X   4.0 179 d:4.6+1     2.6X                  SPUT
 HAWA P       05:40:46.64   1.4    5.0 285 d:3.0+2     4.8X L:2.4-1 .83 4.2  HAWA
                                           g:1.7-1 .88 3.8 
 BGU  P       05:40:47.40   9.5    4.4 184 d:1.5+2     3.9X                  BGU 
 CTU  ePn     05:40:47.62   6.1    4.7 172 d:1.4+2     3.9X L:6.5-2 .80 3.6  CTU 
                                           g:4.4-2 .80 3.2 
 NOQ  ePn     05:40:48.56   6.9    4.7 176 d:1.2+2     3.7X L:1.1-1 .66 3.8  NOQ 
                                           g:9.0-2 .90 3.4 
 JLU  ePn     05:40:48.68   5.4    4.8 170 d:1.6+2     4.1X                  JLU 
 WVOR ePn     05:40:51.27   2.0    5.3 239 d:2.3+2     4.6X L:8.1-2 .75 3.8  WVOR
      ePg     05:41:06.75  -4.8X           g:5.6-2 .85 3.3  b:5.1+1 .75 5.2X
      eSg     05:42:19.36  S res =  -0.2X
 DAU  ePn     05:40:52.45   6.2    5.0 168 d:1.8+2     4.3X                  DAU 
 DUG  ePn     05:40:53.67   5.9    5.1 182 L:6.9-2 .70 3.7  g:4.1-2 .70 3.2  DUG 
 NLU  P       05:41:02.38  11.1    5.4 176 d:1.5+2     4.2X                  NLU 
 MPU  P       05:41:02.44  11.5    5.4 172 d:6.7+1     3.4X L:2.0-2 .60 3.2  MPU 
                                           g:1.6-2 1.0 2.7 
 DGMT ePn     05:41:07.58   0.7    6.5  58 d:2.1+2     4.9X L:2.3-1 .65 4.5X DGMT
                                           g:1.9-1 .98 4.0 
 MOD  ePn     05:41:09.34   1.9    6.6 241 d:1.9+2     4.8X L:3.2-2 .68 3.6X MOD 
                                           g:1.9-2 .68 3.1 
 PHWY ePn     05:41:10.07   2.5    6.6 125 d:2.4+2     5.1X                  PHWY
 SRU  ePn     05:41:10.59   5.4    6.4 166                                   SRU 
 MSU  ePn     05:41:19.63   8.6    6.8 177 d:1.0+2     4.3X                  MSU 
 SMCO ePn     05:41:22.19   2.8    7.4 144 d:2.8+2     5.5X L:3.2-2 1.0 3.8X SMCO
                                           g:3.2-2 1.0 3.2 
 ISCO ePn     05:41:25.63   4.6    7.6 135                                   ISCO
 EDM  e       05:41:25.75   0.2    7.9 357                                   EDM 
 MVCO ePn     05:41:40.52   3.9    8.7 158                                   MVCO
 ECSD ePn     05:42:14.65  -0.4   11.5  92 g:1.5-2 .76 3.4                   ECSD
 FFC  ePn     05:42:15.09  -0.9   11.6  32 g:1.5-2 .72 3.4                   FFC 
 AGMN ePn     05:42:17.23  -2.0   11.8  70 g:1.6-2 .65 3.5                   AGMN
 WMOK eP      05:43:03.94   2.2   14.9 130 b:5.8+0 .85 4.0X                  WMOK
 MNTX eP      05:43:09.40  10.5   14.7 155                                   MNTX
 WVT  eP      05:44:13.19   1.1   20.8 108 b:4.7+0 .93 3.9X                  WVT 
 LRAL eP      05:44:39.86   2.2   23.2 113 g:1.7-2 1.2 3.7  b:1.7+1 1.2 4.5X LRAL



 Generated 2007 MAR 31 at 01:03 UTC

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

 


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