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Earthquake Activity


Phase Data

Explanation of Parameters


     29 JUL 2005  (210)

     ot  = 14:07:18.27   +/-   0.39              WESTERN MONTANA                 
     lat =      45.417   +/-    3.8
     lon =    -112.603   +/-    4.8              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)
     140 km (85 miles) SSW of HELENA, Montana (pop 25,000)

     nph =   18 of  33    se = 0.76    FE=456                            A   

     error ellipse = ( 63.0,  0.0,  6.8;153.0,  0.0,  4.4;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 3.6 ( 17)  mblg = 3.5 ( 20)  md = 3.6 ( 10)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MCMT eP      14:07:29.08  -1.0    0.6 197 d:4.1+2     3.6                   MCMT
 BOZ  ePc     14:07:31.68  -0.5    0.7  71 d:3.7+2     3.6  L:5.4+0 .25 3.6  BOZ 
                                           g:4.0-1 .63 3.4 
 QLMT eP      14:07:36.23  -1.5    1.0 125 d:2.6+2     3.3                   QLMT
 HRY  eP      14:07:44.35  -0.3    1.4  22 d:3.6+2     3.8                   HRY 
 YNR  eP      14:07:45.94  -0.6    1.5 117 d:1.9+2     3.2                   YNR 
 YFT  eP      14:07:46.90  -0.3    1.6 127 d:1.1+2     2.7                   YFT 
 CHMT eP      14:07:47.05   0.1    1.6 343 d:3.4+2     3.8                   CHMT
 MSO  eP      14:07:48.46  -0.1    1.7 327 d:3.2+2     3.7  L:2.4+0 .40 3.8  MSO 
                                           g:1.3+0 .73 4.2 
 LKWY eP      14:07:50.64   0.7    1.8 118 d:1.4+2     3.0  L:4.1-1 .63 3.1  LKWY
                                           g:2.8-1 .80 3.5 
 IMW  ePn     14:07:51.89  -0.1    1.9 141 d:3.0+2     3.8  L:1.3+0 .40 3.7  IMW 
                                           g:4.5-1 .63 3.9 
 GCMT qP      14:07:54.36   0.2X   2.1  79 d:2.9+1     1.5X                  GCMT
 HLID ePnc    14:07:56.13  -0.4    2.3 216 d:2.9+2     3.8X L:4.2-1 .40 3.4  HLID
                                           g:1.8-1 .63 3.5 
 RRI2 ePn     14:07:56.68   0.1    2.3 156 d:2.5+2     3.7X L:8.7-1 .58 3.7  RRI2
                                           g:3.7-1 .68 3.8 
 TPAW ePn     14:07:57.57   1.0    2.3 148 d:2.3+2     3.6X L:4.7-1 .63 3.4  TPAW
                                           g:3.9-1 .90 3.7 
 LOHW ePn     14:07:57.99   0.9    2.3 141 d:2.7+2     3.8X L:5.2-1 .58 3.5  LOHW
                                           g:3.3-1 .73 3.7 
 SNOW ePn     14:07:58.37   0.5    2.4 145 d:1.1+2     2.9X L:4.2-1 .35 3.4  SNOW
                                           g:1.7-1 .80 3.4 
 REDW ePn     14:07:59.74   1.2    2.4 148 d:1.7+2     3.4X L:2.5-1 .95 3.3  REDW
                                           g:2.1-1 .95 3.4 
 AHID ePn     14:08:05.25   0.5X   2.9 157 d:1.2+2     3.2X L:1.4-1 .65 3.2  AHID
                                           g:1.4-1 1.1 3.3 
 BMO  ePn     14:08:09.69  -2.0X   3.4 262 d:2.6+2     4.1X L:2.1-1 .50 3.7  BMO 
                                           g:1.4-1 .88 3.4 
 WALA ePn     14:08:17.43   0.5    3.8 347 d:3.2+2     4.4X L:5.5-1 .70 4.2  WALA
                                           g:3.3-1 .70 3.9 
 NEW  ePn     14:08:22.91  -0.2    4.2 314 d:2.7+2     4.4X L:3.2-1 .60 4.1  NEW 
                                           g:2.1-1 .88 3.7 
 HWUT P       14:08:24.55   5.8X   3.9 168 d:1.1+2     3.4X L:6.3-2 .55 3.3  HWUT
                                           g:4.6-2 .98 3.0 
 LAO  P       14:08:28.14  -0.6X   4.6  72 d:2.6+2     4.5X L:1.6-1 .50 4.0  LAO 
                                           g:1.1-1 .75 3.6 
 ELK  P       14:08:41.26   6.4X   5.1 203 d:2.3+2     4.5X L:6.7-2 .73 3.7  ELK 
                                           g:4.2-2 .73 3.2  b:1.8+1 .65 4.8X
 RWWY P       14:08:45.74   5.9X   5.4 132 d:8.8+0     1.4X L:1.4-2 .58 3.1X RWWY
                                           g:8.8-3 .80 2.6  b:7.4+0 .58 4.5X
 DGMT P       14:08:56.26   1.5X   6.5  59 d:2.1+2     4.9X L:1.3-1 .63 4.3X DGMT
                                           g:9.4-2 .80 3.7  b:5.7+1 .58 5.7X
 RSSD P       14:08:59.64   8.5X   6.2  99 b:2.1+1 .50 5.2X                  RSSD
 BMN  P       14:09:03.08  14.9X   6.0 216 d:1.2+2     4.1X L:2.2-2 .78 3.4X BMN 
                                           g:1.5-2 .78 2.9 
 SMCO         14:09:11.01   2.4X   7.5 144                                   SMCO
 TMUT P       14:09:15.86  25.1X   6.2 170 d:1.1+1     1.9X                  TMUT
 PV01 P       14:09:18.21   4.6X   7.9 156 d:1.1+2     4.7X                  PV01
 PHWY P       14:09:18.96  22.3X   6.6 126 d:2.6+1     2.8X                  PHWY
 EDM  P       14:09:45.52  32.8X   7.8 357 d:5.6+1     4.0X                  EDM 



 Generated 2005 JUL 29 at 14:29 UTC

 

First Government graphic