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Earthquake Activity


Phase Data

Explanation of Parameters


     27 JUL 2005  (208)

     ot  = 15:51:46.00   +/-   0.49              WESTERN MONTANA                 
     lat =      45.386   +/-    4.5
     lon =    -112.618   +/-    5.5              MAGNITUDE 4.2 (GS)       
     dep =         5.0  (geophysicist)

     20 km (10 miles) N of Dillon, Montana (pop 3,700)
     70 km (45 miles) S of Butte, Montana (pop 33,000)
     70 km (45 miles) ESE of Wisdom, Montana (pop 100)
     140 km (90 miles) SSW of HELENA, Montana (pop 25,000)

     nph =   20 of  59    se = 1.02    FE=456                            A   

     error ellipse = ( 65.9,  0.0,  7.6;155.9,  0.0,  5.5;  0.0,  0.0,  0.0)

 mb = 4.1 (  2)  ML = 4.0 ( 18)  mblg = 4.0 ( 26)  md = 3.7 (  5)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MCMT eP      15:51:56.08  -1.1    0.6 196                                   MCMT
 BOZ  ePc     15:51:59.76  -0.5    0.7  69 L:1.1+1 .28 3.9  g:4.1+0 .88 4.3  BOZ 
 QLMT P       15:52:03.82  -1.5    1.0 123                                   QLMT
 YMR  P       15:52:11.02  -1.0    1.4 121 d:2.7+2     3.5                   YMR 
 HRY  P       15:52:12.92   0.1    1.4  22                                   HRY 
 YNR  P       15:52:14.07  -0.1    1.5 115 d:2.4+2     3.4                   YNR 
 YFT  P       15:52:14.57  -0.2    1.6 126 d:2.3+2     3.4                   YFT 
 CHMT eP      15:52:15.22   0.2    1.6 344                                   CHMT
 MSO  P       15:52:16.51  -0.1    1.7 328 d:4.8+2     4.2  L:3.6+0 .70 4.0  MSO 
                                           g:2.7+0 .85 4.5 
 IMW  P       15:52:19.44  -0.1    1.9 141 d:4.9+2     4.3  L:2.6+0 .53 4.0  IMW 
                                           g:1.2+0 .83 4.2 
 GCMT P       15:52:22.18   0.1    2.1  78                                   GCMT
 MOOW P       15:52:22.44   0.2    2.1 140 d:4.6+2     4.2X L:1.5+0 .83 3.9  MOOW
                                           g:1.1+0 .83 4.1 
 HLID e       15:52:23.44  -0.3    2.2 216 d:3.4+2     4.0X L:1.0+0 .38 3.8  HLID
                                           g:6.9-1 .65 4.1 
 RRI2 P       15:52:24.64   0.6    2.2 155 d:3.2+2     3.9X L:3.2+0 .60 4.3  RRI2
                                           g:1.6+0 .65 4.5 
 TPAW P       15:52:25.06   1.1    2.2 147 d:3.6+2     4.1X L:1.9+0 .88 4.0  TPAW
                                           g:1.4+0 .88 4.3 
 LOHW P       15:52:25.76   1.2    2.3 140 d:2.8+2     3.8X L:1.2+0 .63 3.8  LOHW
                                           g:6.5-1 .63 4.1 
 SNOW P       15:52:27.16   1.8    2.3 145 d:1.8+2     3.4X L:9.8-1 .55 3.8  SNOW
                                           g:7.8-1 .95 4.0 
 REDW P       15:52:27.69   1.7    2.4 147 d:2.8+2     3.8X L:1.1+0 .83 3.8  REDW
                                           g:7.8-1 .83 4.1 
 AHID P       15:52:30.33  -1.8    2.8 157 d:2.1+2     3.7X L:4.9-1 .60 3.8  AHID
                                           g:4.6-1 .93 3.9 
 BMO  P       15:52:38.32  -0.9X   3.4 263 d:4.8+2     4.7X L:1.0+0 .55 4.3  BMO 
                                           g:1.3+0 1.1 4.3 
 BW06 P       15:52:44.21   4.0X   3.4 139 L:1.5-1 .90 3.5  g:1.1-1 .90 3.3  BW06
 HVU  P       15:52:45.39   2.7X   3.6 182 d:3.0+2     4.3X                  HVU 
 WALA P       15:52:46.05   1.0X   3.8 347 d:4.8+2     4.8X L:2.7+0 .68 4.9  WALA
                                           g:2.5+0 1.0 4.6 
 HWUT P       15:52:50.40   4.3X   3.9 168                                   HWUT
 NEW  ePn     15:52:51.03   0.0    4.2 315 d:3.3+2     4.6X L:6.3-1 .53 4.4  NEW 
                                           g:6.7-1 .93 4.2 
 SPUT e       15:52:55.06   5.9X   4.1 178 d:2.3+2     4.2X                  SPUT
 LAO  P       15:52:57.04   0.3X   4.6  71 d:2.5+2     4.5X L:7.8-1 .85 4.7  LAO 
                                           g:5.6-1 .85 4.2 
 BGU  P       15:52:59.72   5.2X   4.5 184 d:2.3+2     4.3X                  BGU 
 TCUT P       15:53:00.08   7.0X   4.4 168 d:2.3+2     4.3X                  TCUT
 ELK  P       15:53:02.54   0.4X   5.0 203 d:5.7+1     3.1X L:3.7-1 .80 4.4  ELK 
                                           g:2.5-1 .80 4.0  b:2.5+2 .80 5.9X
 CTU  P       15:53:05.44   7.2X   4.7 172 d:1.5+2     4.0X                  CTU 
 JLU  P       15:53:06.87   6.9X   4.9 169 d:1.3+2     3.9X                  JLU 
 DAU  P       15:53:07.21   4.3X   5.1 168 d:2.9+2     4.8X                  DAU 
 NOQ  P       15:53:09.65  11.3X   4.7 175 d:1.2+2     3.8X                  NOQ 
 RWWY P       15:53:12.49   5.1X   5.4 131 d:2.5+2     4.7X L:1.3-1 .90 4.0  RWWY
                                           g:1.2-1 1.0 3.6  b:6.6+1 .80 5.3X
 MPU  P       15:53:14.43   6.8X   5.4 172 d:1.6+2     4.3X                  MPU 
 NLU  P       15:53:15.17   7.2X   5.4 176 d:1.3+2     4.1X                  NLU 
 BMN  P       15:53:16.15   0.7X   6.0 216 d:2.0+2     4.7X L:1.5-1 .83 4.2X BMN 
                                           g:1.1-1 .83 3.7  b:1.1+2 .83 5.6X
 DGMT P       15:53:23.79   0.9X   6.5  59 d:3.0+2     5.2X L:3.8-1 .60 4.7X DGMT
                                           g:3.6-1 .95 4.2  b:2.1+2 .60 6.3X
 TMUT P       15:53:24.21   6.1X   6.2 170 d:2.2+2     4.8X                  TMUT
 RSSD P       15:53:25.28   6.4X   6.2  99 d:3.9+2     5.4X L:2.6-1 .70 4.5X RSSD
                                           g:1.6-1 .70 4.0  b:4.9+1 .55 5.6X
 SRU  P       15:53:27.48   5.6X   6.5 165 d:3.5+2     5.4X                  SRU 
 PHWY P       15:53:29.89   5.6X   6.6 126 d:2.2+2     5.0X                  PHWY
 MSU  P       15:53:35.86   8.2X   6.9 177 d:2.6+2     5.2X                  MSU 
 EDM  P       15:53:40.50  -0.4X   7.9 357                                   EDM 
 BEKR P       15:53:46.54   4.4X   7.9 229 d:8.6+1     4.5X L:2.1-2 .72 3.7X BEKR
                                           g:1.8-2 .96 3.1  b:1.3+1 .72 5.3X
 ARUT e       15:53:48.22  10.4X   7.6 185 d:1.7+2     5.1X                  ARUT
 TPH  P       15:53:48.89   4.8X   8.1 207 d:7.8+0     2.1X L:1.3-2 .80 3.5X TPH 
      e       15:54:13.09                  g:9.0-3 .80 2.9X b:2.3+1 .88 5.4X
 MTUM P       15:54:03.59   4.3X   9.2 211 d:2.1+1     3.5X                  MTUM
 SMCO P       15:54:04.86  28.8X   7.5 144 d:1.6+1     2.6X                  SMCO
 SDCO P       15:54:05.36   4.3X   9.3 143 d:2.2+2     5.9X L:1.4-2 .93 3.8X SDCO
                                           g:1.2-2 .93 3.0  b:4.5+0 .75 5.0X
 GSC          15:54:10.44  -7.7X  10.6 199                                   GSC 
 NEN  P       15:54:13.61   5.0X   9.9 191 d:2.0+1     3.6X                  NEN 
 YBH  P       15:54:19.43  33.9X   8.2 247 d:1.5+1     2.8X L:1.3-2 1.0 3.5X YBH 
                                           g:1.2-2 1.0 2.9X
 GLA          15:54:57.54  13.9X  12.4 189                                   GLA 
 MNTX P       15:55:21.58   5.9X  14.8 155 g:8.0-3 1.2 3.0  b:1.1+1 1.4 4.2X MNTX
 WVT  P       15:56:32.58   3.9X  20.9 108 g:6.4-3 1.1 3.3  b:3.1+0 .70 3.8  WVT 
 LRAL P       15:56:58.59   4.3X  23.3 113 g:1.1-2 .90 3.6  b:1.1+1 .90 4.4  LRAL



 Generated 2005 JUL 27 at 16:14 UTC

 

First Government graphic