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Earthquake Activity


Phase Data

Explanation of Parameters


     18 JAN 2006  ( 18)

     ot  = 09:47:45.96   +/-   0.73              WESTERN MONTANA                 
     lat =      45.423   +/-    6.3
     lon =    -112.566   +/-    7.2              MAGNITUDE 3.9 (GS)       
     dep =         5.0  (geophysicist)

     25 km (15 miles) NNE 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 =   13 of  44    se = 1.07    FE=456                            A   

     error ellipse = (102.7,  0.0,  9.6; 12.7,  0.0,  8.2;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 3.9 ( 20)  mblg = 3.9 ( 23)  md = 3.7 (  4)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DLMT ePg     09:47:47.30  -0.3    0.1 200                                   DLMT
 BOZ  ePg     09:47:58.75  -0.6    0.7  71 d:4.9+2     3.9  L:6.6+0 .30 3.6  BOZ 
                                           g:2.1+0 .68 4.1 
 YMR  ePn     09:48:09.90  -2.0    1.4 123 L:1.0+1 .38 4.3  g:2.6+0 .62 4.5  YMR 
 YFT  eP      09:48:13.58  -1.1    1.6 128 d:2.8+2     3.6                   YFT 
      eSn     09:48:33.22  S res =  -2.2X
 MSO  ePn     09:48:16.59   0.2    1.7 326 d:5.1+2     4.2  L:2.3+0 .43 3.8  MSO 
                                           g:1.8+0 .78 4.3 
 LKWY ePn     09:48:18.05   0.7    1.8 118 d:1.8+2     3.2  L:7.9-1 .80 3.4  LKWY
      eSn     09:48:38.01  S res =  -2.3X  g:5.3-1 .80 3.8 
 MOOW ePn     09:48:21.82  -0.5    2.1 142 d:4.2+2     4.2X L:9.6-1 .48 3.7  MOOW
      eSn     09:48:48.65  S res =  -0.5X  g:8.0-1 .78 4.1 
 HLID ePn     09:48:23.52  -0.9    2.3 216 d:4.7+2     4.3X L:1.1+0 .50 3.8  HLID
                                           g:6.4-1 .78 4.0 
 LOHW ePn     09:48:25.94   1.3    2.3 142 d:4.0+2     4.2X L:8.4-1 .43 3.7  LOHW
                                           g:7.7-1 1.0 4.0 
 SNOW ePn     09:48:26.31   0.8    2.4 146 d:2.4+2     3.7X L:7.4-1 .40 3.7  SNOW
                                           g:5.0-1 .80 3.9 
 REDW ePn     09:48:26.61   0.5    2.4 149 d:4.0+2     4.2X L:8.4-1 1.0 3.7  REDW
                                           g:7.4-1 1.0 4.0 
 AHID ePn     09:48:33.53   1.1    2.9 158 d:3.0+2     4.1X L:7.0-1 .93 3.9  AHID
                                           g:5.6-1 .93 3.9 
 EGMT ePn     09:48:38.17   0.6    3.2  36 d:5.7+2     4.8X L:1.1+0 .68 4.3  EGMT
                                           g:7.6-1 .85 4.2 
 BW06 ePn     09:48:44.05   3.8X   3.4 140 L:1.8-1 .75 3.6  g:1.7-1 1.0 3.4  BW06
 HVU  ePn     09:48:46.84   3.7X   3.6 182 d:2.9+2     4.3X L:9.0-1 .82 4.4  HVU 
                                           g:7.3-1 .92 4.2 
 HWUT ePn     09:48:49.36   2.9X   3.9 169 d:3.1+2     4.4X L:3.5-1 1.4 4.1  HWUT
                                           g:2.8-1 1.1 3.7 
 NEW  ePn     09:48:50.86  -0.2X   4.2 314 d:4.7+2     4.9X L:1.0+0 .45 4.7  NEW 
                                           g:7.6-1 .90 4.3 
 SPUT ePn     09:48:53.21   3.6X   4.1 179 d:2.1+2     4.1X                  SPUT
 LAO  ePn     09:48:55.75  -0.4X   4.6  72 d:3.3+2     4.7X L:4.7-1 .73 4.4  LAO 
                                           g:5.0-1 1.0 4.1 
 TCUT ePn     09:48:58.31   4.9X   4.4 169 d:1.8+2     4.1X                  TCUT
 HAWA ePn     09:49:01.25   0.2X   5.0 284 d:4.6+2     5.2X L:6.6-2 .80 3.7  HAWA
                                           g:4.5-2 .80 3.2 
 ELK  P       09:49:04.26   1.5X   5.1 204 d:3.0+2     4.8X L:2.4-1 .73 4.2  ELK 
                                           g:1.7-1 .80 3.8  b:8.6+1 .90 5.4X
 NOQ  P       09:49:06.39   7.6X   4.8 176 d:1.5+2     4.0X L:2.4-1 .82 4.2  NOQ 
                                           g:2.2-1 .98 3.8 
 DUG  P       09:49:08.74   3.8X   5.2 182 d:2.9+2     4.8X L:1.5-1 .78 4.1  DUG 
                                           g:1.2-1 .93 3.6  b:5.9+1 .88 5.2X
 DAU  P       09:49:10.33   7.0X   5.1 169 d:2.1+2     4.5X                  DAU 
 NLU  P       09:49:12.63   4.2X   5.5 176 d:1.8+2     4.4X                  NLU 
 MPU  e       09:49:13.12   5.1X   5.4 172 d:1.7+2     4.4X L:4.8-2 1.0 3.6X MPU 
                                           g:4.4-2 1.0 3.2  b:2.5+1 .76 4.9X
 RSSD P       09:49:18.57   0.1X   6.2  99 b:3.5+1 .75 5.3X                  RSSD
 DGMT P       09:49:22.70   0.6X   6.5  59 b:3.0+2 .85 6.3X                  DGMT
 MOD  P       09:49:24.57   0.5X   6.6 241 d:1.9+2     4.8X L:8.9-2 .73 4.1X MOD 
                                           g:5.5-2 .73 3.5  b:5.5+1 .73 5.7X
 TMUT P       09:49:25.13   6.7X   6.2 170 d:2.4+2     4.9X                  TMUT
 SRU  P       09:49:27.31   5.1X   6.5 166 d:2.8+2     5.2X L:6.5-2 1.0 3.9X SRU 
                                           g:6.1-2 1.0 3.4  b:3.5+1 .88 5.3X
 MSU  P       09:49:34.17   6.1X   6.9 177 d:1.9+2     4.9X                  MSU 
 EDM  P       09:49:39.37  -1.0X   7.8 357                                   EDM 
 PV10 P       09:49:41.17   4.7X   7.5 158 d:2.5+2     5.4X                  PV10
 PV01 P       09:49:42.89   1.6X   7.9 156                                   PV01
 HUMO P       09:49:45.28   2.5X   8.0 253 d:1.5+1     2.8X L:9.7-3 .70 3.4X HUMO
                                           g:7.2-3 .90 2.7X b:5.8+0 .70 4.9X
 TPH  P       09:49:49.01   4.3X   8.1 207 d:1.1+1     2.5X L:1.2-2 .90 3.5X TPH 
      e       09:50:10.23                  g:9.2-3 .90 2.8X b:1.6+1 .88 5.3X
 PTRM e       09:50:26.28  -2.5X  11.4 213                                   PTRM
 YKW3 e       09:51:43.65  -3.2X  17.2 357                                   YKW3



 Generated 2006 JAN 18 at 10:39 UTC

 

First Government graphic