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Earthquake Activity


Phase Data

Explanation of Parameters


      7 AUG 2005  (219)

     ot  = 05:28:34.76   +/-   0.33              WESTERN MONTANA                 
     lat =      45.397   +/-    3.5
     lon =    -112.570   +/-    3.6              MAGNITUDE 3.7 (GS)       
     dep =         5.0  (geophysicist)

     20 km (15 miles) NNE of Dillon, Montana (pop 3,700)
     65 km (40 miles) S of Butte, Montana (pop 33,000)
     75 km (45 miles) ESE of Wisdom, Montana (pop 100)
     140 km (85 miles) SSW of HELENA, Montana (pop 25,000)

     nph =   26 of  50    se = 0.89    FE=456                            A   

     error ellipse = ( 48.3,  0.0,  5.0;138.3,  0.0,  4.3;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 3.5 (  9)  mblg = 3.4 ( 12)  md = 3.3 (  7)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MCMT eP      05:28:44.85  -1.5    0.6 199                                   MCMT
 BOZ  eP      05:28:47.38  -1.0    0.7  69 d:4.0+2     3.7  L:1.3+1 .20 4.0  BOZ 
                                           g:5.0-1 .65 3.5 
 QLMT eP      05:28:52.10  -1.6    1.0 125 d:2.4+2     3.3                   QLMT
 YMR  eP      05:28:59.08  -1.4    1.4 122 d:2.9+2     3.6                   YMR 
 HRY  eP      05:29:01.00  -0.2    1.4  21 d:3.9+2     3.9                   HRY 
 YNR  eP      05:29:01.97  -0.6    1.5 116 d:1.9+2     3.2                   YNR 
 YFT  P       05:29:03.01  -0.3    1.6 127 d:1.7+2     3.1                   YFT 
 CHMT eP      05:29:03.59  -0.2    1.6 343                                   CHMT
 MSO  P       05:29:05.08  -0.4    1.7 327                                   MSO 
 LKWY P       05:29:07.35   1.3    1.8 118 d:1.3+2     2.9  L:2.4-1 .45 2.9  LKWY
                                           g:2.5-1 .88 3.4 
 IMW  P       05:29:07.69  -0.4    1.9 142                                   IMW 
 GCMT e       05:29:10.61   0.2    2.1  78                                   GCMT
 HWUT P       05:29:10.90 -24.0X   3.9 169 d:1.2+1     1.2X L:1.0-1 .60 3.5  HWUT
      e       05:29:39.13   4.2X           g:9.5-2 .98 3.3 
 RRI2 P       05:29:12.64  -0.1    2.2 156                                   RRI2
 TPAW P       05:29:13.14   0.5    2.2 148                                   TPAW
 LOHW P       05:29:13.99   0.8    2.3 141                                   LOHW
 SNOW P       05:29:15.21   1.2    2.3 145 d:2.2+2     3.6X L:5.1-1 .45 3.5  SNOW
                                           g:2.3-1 .73 3.6 
 REDW P       05:29:15.86   1.2    2.4 148 d:2.4+2     3.7X L:4.2-1 .88 3.4  REDW
                                           g:3.1-1 .88 3.6 
 BMO  P       05:29:27.87  -0.6    3.4 262 d:2.9+2     4.2X L:2.8-1 .78 3.8  BMO 
                                           g:1.9-1 .78 3.6 
 HVU  P       05:29:32.85   1.2    3.6 182 d:2.1+2     3.9X                  HVU 
 WALA P       05:29:34.77   1.0    3.8 346                                   WALA
 NEW  P       05:29:39.77  -0.3    4.2 314                                   NEW 
 SPUT P       05:29:42.89   4.8X   4.1 179 d:1.9+2     4.0X                  SPUT
 LAO  P       05:29:45.09   0.0    4.6  71                                   LAO 
 TCUT P       05:29:47.63   5.7X   4.4 168 d:1.5+2     3.9X                  TCUT
 HAWA P       05:29:50.07   0.2    5.0 284 d:2.6+2     4.6X L:7.8-3 .68 2.7  HAWA
                                           g:6.4-3 .88 2.3X
 BGU  P       05:29:50.77   7.3X   4.5 184 d:1.2+2     3.7X                  BGU 
 ELK  P       05:29:51.21  -0.1    5.0 204 b:3.8+1 .73 5.1X                  ELK 
 CTU  P       05:29:52.90   5.9X   4.7 172 d:1.3+2     3.8X                  CTU 
 WVOR P       05:29:54.64   0.1    5.3 238 d:2.2+2     4.5X L:5.0-2 .60 3.6  WVOR
                                           g:5.6-2 1.1 3.2  b:2.7+1 .60 5.1X
 DAU  P       05:29:56.79   5.0X   5.1 169 d:2.0+2     4.4X                  DAU 
 NOQ  P       05:29:57.88  10.7X   4.8 176 d:4.0+1     2.7X                  NOQ 
 RWWY P       05:30:00.96   5.1X   5.4 132 d:2.2+2     4.6X L:3.8-2 .65 3.5  RWWY
                                           g:5.1-2 1.1 3.2  b:1.6+1 .60 4.9X
 MPU  P       05:30:02.15   5.7X   5.4 172 d:1.3+2     4.1X                  MPU 
 DGMT P       05:30:11.86   0.7    6.5  59 d:2.1+2     4.9X L:1.8-1 .68 4.4X DGMT
                                           g:1.1-1 .68 3.8  b:1.1+2 .68 5.9X
 RSSD P       05:30:14.53   7.3X   6.2  99 b:1.4+1 .50 5.0X                  RSSD
 SRU  P       05:30:14.60   3.9X   6.5 166 d:2.5+2     5.0X                  SRU 
 BMN  P       05:30:14.81  10.2X   6.0 216 d:1.2+2     4.2X L:5.1-2 .78 3.8X BMN 
                                           g:3.3-2 .78 3.2 
 PHWY P       05:30:18.47   5.7X   6.6 126 d:1.7+1     2.4X                  PHWY
      e       05:30:37.42
 MSU  P       05:30:23.91   7.4X   6.9 177 d:1.7+2     4.8X                  MSU 
 MOD  P       05:30:28.62  16.0X   6.6 241 d:2.8+1     2.9X L:2.6-2 .65 3.6X MOD 
                                           g:1.5-2 .70 3.0 
 SMCO P       05:30:29.54   4.8X   7.5 144 d:2.2+2     5.2X                  SMCO
 PV10 P       05:30:30.95   6.0X   7.5 158 d:2.6+2     5.4X                  PV10
 EDM  e       05:30:31.77   2.2X   7.8 357 d:1.9+2     5.2X                  EDM 
 PV01 P       05:30:33.65   3.9X   7.8 156 d:2.4+2     5.5X                  PV01
 ARUT P       05:30:48.46  21.7X   7.6 185 d:4.7+1     3.8X                  ARUT
 TPH  P       05:31:03.89  30.7X   8.1 207 d:1.6+1     2.9X L:1.3-2 .93 3.5X TPH 
                                           g:1.1-2 .93 2.9 
 MDV  P       05:34:11.46 -13.5X  27.8  79                                   MDV 



 Generated 2005 AUG  7 at 06:01 UTC

 

First Government graphic