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Earthquake Activity


Phase Data

Explanation of Parameters


     26 JUL 2005  (207)

     ot  = 07:12:46.75   +/-   0.46              WESTERN MONTANA                 
     lat =      45.426   +/-    4.3
     lon =    -112.613   +/-    5.2              MAGNITUDE 3.8 (GS)       
     dep =         5.0  (geophysicist)

     25 km (15 miles) N of Dillon, Montana (pop 3,700)
     65 km (40 miles) S of Butte, Montana (pop 33,000)
     70 km (45 miles) ESE of Wisdom, Montana (pop 100)
     135 km (85 miles) SSW of HELENA, Montana (pop 25,000)

     nph =   21 of  48    se = 0.95    FE=456                            A   

     error ellipse = ( 62.8,  0.0,  7.3;152.8,  0.0,  5.1;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 3.6 (  6)  mblg = 3.7 ( 10)  md = 3.4 (  6)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MCMT iPc     07:12:57.87  -0.8    0.6 196 d:3.5+2     3.5                   MCMT
 BOZ  iPgc    07:13:00.50  -0.2    0.7  72 d:4.4+2     3.8  L:7.0+0 .30 3.7  BOZ 
      ePn     07:13:03.29  -0.5X           g:1.1+0 .73 3.8 
 QLMT P       07:13:05.09  -1.4    1.0 125 d:2.9+2     3.4                   QLMT
 YMR  P       07:13:12.07  -1.0    1.4 122                                   YMR 
 HRY  P       07:13:13.23   0.2    1.4  23                                   HRY 
 CHMT P       07:13:13.43  -1.8    1.5 344                                   CHMT
 YNR  P       07:13:14.75  -0.4    1.5 117 d:2.2+2     3.3                   YNR 
 YFT  P       07:13:15.70  -0.2    1.6 127 d:1.9+2     3.2                   YFT 
 MSO  P       07:13:17.11   0.2    1.7 327                                   MSO 
 LKWY P       07:13:19.93   1.4    1.8 118 d:1.8+2     3.2  L:6.3-1 .83 3.3  LKWY
                                           g:4.4-1 .83 3.7 
 IMW  P       07:13:20.46  -0.2    1.9 141                                   IMW 
 GCMT ePn     07:13:22.70   0.0    2.1  79 d:1.8+1     1.0X                  GCMT
      ePg     07:13:25.52  -1.5X
 MOOW iPd     07:13:23.42   0.0    2.1 141 L:8.4-1 .75 3.6  g:5.3-1 .75 3.9  MOOW
      eSg     07:13:51.06  S res =  -4.6X
 TPAW P       07:13:25.29   0.1    2.3 148 d:2.9+2     3.8X L:8.9-1 .78 3.7  TPAW
                                           g:5.8-1 .78 3.9 
 RRI2 P       07:13:25.31   0.1    2.3 156                                   RRI2
 LOHW P       07:13:25.79   0.1    2.3 141                                   LOHW
 SNOW P       07:13:26.99   0.4    2.4 145                                   SNOW
 REDW P       07:13:27.39   0.2    2.4 148 d:2.3+2     3.7X L:5.6-1 .68 3.6  REDW
                                           g:4.8-1 1.0 3.8 
 AHID P       07:13:35.43   2.0    2.9 157 d:2.3+2     3.8X L:2.7-1 .55 3.5  AHID
                                           g:2.6-1 1.0 3.6 
 BMO  P       07:13:39.77  -0.3    3.4 262                                   BMO 
 WALA P       07:13:46.85   1.6    3.7 347                                   WALA
 HVU  P       07:13:48.80   4.8X   3.6 182 d:2.1+2     4.0X                  HVU 
 HWUT P       07:13:50.98   3.6X   3.9 168                                   HWUT
 NEW  P       07:13:52.17   0.7X   4.2 314                                   NEW 
 SPUT P       07:13:56.88   6.4X   4.1 178 d:1.1+2     3.5X                  SPUT
 LAO  P       07:13:57.41   0.1X   4.6  72                                   LAO 
 TCUT P       07:14:00.20   5.8X   4.4 168 d:2.4+2     4.3X                  TCUT
 BGU  P       07:14:03.63   7.8X   4.5 184 d:1.7+2     4.0X                  BGU 
 JLU  P       07:14:05.05   3.8X   4.9 170 d:1.6+2     4.1X                  JLU 
 CTU  P       07:14:06.44   7.0X   4.8 172 d:1.4+2     3.9X                  CTU 
 WVOR P       07:14:07.62   1.2X   5.3 238 b:4.7+1 .70 5.2X                  WVOR
 DAU  P       07:14:07.81   3.6X   5.1 168                                   DAU 
 NOQ  P       07:14:10.18  10.6X   4.8 176 d:2.7+1     2.3X                  NOQ 
 RWWY P       07:14:11.41   3.0X   5.4 132 b:5.0+1 .63 5.3X                  RWWY
 MPU  P       07:14:14.64   5.8X   5.5 172 d:7.8+1     3.6X                  MPU 
 NLU  P       07:14:15.67   6.4X   5.5 176 d:1.5+2     4.2X                  NLU 
 DGMT P       07:14:24.24   1.0X   6.5  59 d:2.6+2     5.1X L:2.3-1 .73 4.5X DGMT
                                           g:1.4-1 .73 3.9  b:1.0+2 .63 5.9X
 SRU  P       07:14:26.60   3.4X   6.5 166                                   SRU 
 TMUT P       07:14:27.87   8.5X   6.2 170 d:8.0+1     3.8X                  TMUT
 BMN  P       07:14:28.83  12.1X   6.0 216 d:1.4+2     4.4X L:5.6-2 .93 3.8X BMN 
                                           g:4.5-2 .93 3.3 
 MSU  P       07:14:33.53   4.6X   6.9 177                                   MSU 
 SMCO P       07:14:39.44   2.2X   7.5 144                                   SMCO
 EDM  P       07:14:40.92  -0.2X   7.8 357                                   EDM 
 BEKR e       07:15:08.88  25.6X   8.0 229 d:3.1+1     3.4X L:9.9-3 .98 3.4X BEKR
                                           g:8.5-3 .98 2.7 
 MNTX P       07:16:26.78   9.9X  14.8 155 g:2.8-3 .98 2.7  b:2.8+0 .98 3.8X MNTX



 Generated 2005 JUL 26 at 09:08 UTC

 

First Government graphic