Link to USGS home page.
Earthquake Hazards Program

Phase Data

Explanation of Parameters


     18 JUN 2006  (169)

     ot  = 00:05:33.51   +/-   0.37              WESTERN MONTANA                 
     lat =      45.743   +/-    3.6
     lon =    -111.797   +/-    3.9              MAGNITUDE 4.3 (GS)       
     dep =         5.0  (assigned)    

     60 km (35 miles) W of Bozeman, Montana (pop 27,000)
     65 km (40 miles) ESE of Butte, Montana (pop 33,000)
     90 km (55 miles) NE of Dillon, Montana (pop 3,700)
     95 km (60 miles) S of HELENA, Montana (pop 25,000)

     nph =   72 of 105    se = 1.45    FE=456                            A   

     error ellipse = ( 52.7,  0.0,  5.5;142.7,  0.0,  4.3;  0.0,  0.0,  0.0)

 mb = 4.3 (  7)  ML = 4.2 ( 13)  mblg = 2.6 ( 17)  md = 3.7 (  8)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 BOZ  ePg     00:05:36.24  -0.4    0.2 129 d:4.7+2     3.6                   BOZ 
 LRM  ePg     00:05:40.64  -1.9    0.5 280 d:5.0+2     3.8                   LRM 
 DLMT iPc     00:05:42.70  -3.8    0.7 236 d:5.0+2     3.9  L:1.4+1 .73 3.9  DLMT
 QLMT iPd     00:05:48.04  -3.6    0.9 164 d:2.5+2     3.3                   QLMT
 MCMT e       00:05:51.33  -4.8X   1.2 219                                   MCMT
 HRY  ePg     00:05:52.96   0.8    1.0 359                                   HRY 
 YMR  e       00:05:53.78  -3.2    1.2 151 d:2.9+2     3.5  L:1.3+1 .58 4.3  YMR 
                                           g:8.6+0 .68 4.9X
 YFT  ePn     00:05:58.32  -2.4    1.5 152 d:2.2+2     3.3                   YFT 
      eSn     00:06:20.38  S res =   0.0X
 CHMT ePn     00:06:01.25  -0.7    1.5 320                                   CHMT
 LKWY ePn     00:06:01.42  -0.4    1.5 139 L:3.7+0 1.2 3.9                   LKWY
 FLWY ePn     00:06:04.08  -1.8    1.8 154 d:4.1+2     4.0  L:2.4+0 .98 3.9  FLWY
 MSO  ePn     00:06:04.92  -1.0    1.8 307 L:7.1+0 .80 4.4                   MSO 
      eSn     00:06:31.23  S res =   1.6X
 IMW  iPnd    00:06:05.37  -2.1    1.9 161 d:4.0+2     4.1                   IMW 
      eSn     00:06:30.03  S res =  -2.4X
 MOOW iPnd    00:06:08.05  -1.9    2.1 159 g:1.3-1 .93 3.2                   MOOW
      eSn     00:06:36.48  S res =  -0.4X
 DCID1ePnd    00:06:09.08  -1.7    2.2 168                                   DCID
      eSn     00:06:37.65  S res =  -0.7X
 TPAW iPnd    00:06:11.78  -1.0    2.3 165 L:1.7+0 .75 4.0                   TPAW
      eSn     00:06:43.06  S res =   1.1X
 REDW iPnd    00:06:14.31  -0.4    2.5 164 d:5.5+0     0.0X L:1.1-2 .90 1.9X REDW
      eSn     00:06:47.16  S res =   1.8X  g:8.2-3 .90 2.1 
 HLID ePn     00:06:17.38  -2.7    2.9 222 g:3.8-2 .82 2.8                   HLID
      eSn     00:06:55.74  S res =   0.6X
 BSMT ePn     00:06:22.41   1.3    2.9 317                                   BSMT
      eSn     00:06:56.12  S res =  -0.8X
 AHID ePn     00:06:22.78   0.6    3.0 170 L:1.7+0 1.1 4.4  g:2.5-2 .77 2.7  AHID
      eSn     00:06:58.48  S res =  -0.3X
 BW06 ePn     00:06:27.98   0.8X   3.4 151 L:1.6-1 .85 3.5  g:1.8-1 1.0 3.4  BW06
      eSn     00:07:16.01  S res =   8.2X
 WALA ePn     00:06:32.24   2.0    3.6 337 d:1.1+1     1.0X L:9.4-3 .55 2.4X WALA
      eSn     00:07:17.32  S res =   3.9X  g:6.9-3 .95 2.1 
 HVU  ePn     00:06:35.44  -0.5    4.0 190 L:1.4+0 .95 4.8                   HVU 
 LAO  ePn     00:06:38.05   2.8    4.0  74 d:6.5+0     0.6X L:2.5-2 .65 3.0X LAO 
      eSg     00:07:38.38  S res =  -3.0X  g:1.4-2 .65 2.6 
 HWUT ePn     00:06:38.70   1.2    4.1 178 L:2.7-1 1.2 4.1  g:4.2-2 1.1 2.9  HWUT
 NEW  ePn     00:06:40.54  -0.8    4.4 307                                   NEW 
 SPUT ePn     00:06:42.03   0.1    4.5 186                                   SPUT
 TCUT ePn     00:06:45.03   0.7    4.6 176                                   TCUT
      eSn     00:07:40.09  S res =   1.5X
 BGU  P       00:06:47.11  -0.8    4.9 191 d:3.1+2     4.8X                  BGU 
 CTU  ePn     00:06:51.25   1.2    5.0 180 L:2.6-1 1.1 4.3                   CTU 
 NOQ  ePn     00:06:51.68   1.1    5.1 183 L:3.4-1 1.2 4.4                   NOQ 
 RWWY ePn     00:06:53.24   0.5    5.2 139 L:1.5-1 1.2 4.1  g:2.6-2 1.0 2.9  RWWY
                                           b:1.3+2 .85 5.6X
 HAWA ePn     00:06:53.42  -1.6    5.4 280 g:7.0-3 1.0 2.3  b:2.6+1 .69 5.0X HAWA
 DAU  ePn     00:06:55.68   1.5    5.3 176                                   DAU 
      eSn     00:08:14.48  S res =  18.2X
 ELK  ePn     00:06:58.45   0.9    5.6 208 g:6.6-3 1.0 2.4                   ELK 
 DUG  ePn     00:06:58.53   1.0    5.6 188 g:4.0-3 .63 2.3                   DUG 
 NLU  ePn     00:07:00.56   0.3    5.8 182                                   NLU 
 MPU  ePn     00:07:00.78   1.4    5.7 179                                   MPU 
 RSSD ePn     00:07:01.67   2.1    5.7 104 L:4.7-1 .65 4.7X g:3.7-1 1.0 4.1X RSSD
                                           b:1.1+1 .60 4.7X
 WVOR P       00:07:01.97  -0.1    5.9 239 d:2.8+2     5.0X L:1.9-1 .98 4.3X WVOR
                                           g:1.6-1 .98 3.8X b:1.6+2 .98 5.7X
 PHWY ePn     00:07:07.79  -0.9    6.4 132 d:2.5+2     5.0X                  PHWY
      ePg     00:07:29.15  -6.9X
      eSg     00:08:51.68  S res =  -7.2X
 TMUT ePn     00:07:10.36   0.9    6.5 176                                   TMUT
      ePg     00:07:36.09  -1.1X
      eSg     00:09:01.03  S res =   0.2X
 BMN  ePn     00:07:12.77   1.1    6.6 219 g:5.5-3 .93 2.4                   BMN 
 SRU  ePn     00:07:13.32   0.7    6.7 171                                   SRU 
 LON  ePn     00:07:15.82  -1.1    7.0 282                                   LON 
 MOD  ePn     00:07:20.44   0.2    7.2 241                                   MOD 
 MSU  ePn     00:07:21.40   1.4    7.2 182                                   MSU 
 EDM  ePn     00:07:23.39  -0.9    7.6 353                                   EDM 
      ePg     00:07:56.90  -1.2X
      eSg     00:09:32.35  S res =  -3.5X
 SMCO ePn     00:07:23.74   0.4    7.5 150 g:4.8-3 .88 2.5                   SMCO
 ISCO ePn     00:07:24.26   0.7    7.5 140 g:1.2-2 1.2 2.7                   ISCO
 PV10 P       00:07:26.63   0.9    7.6 163 d:2.7+2     5.5X                  PV10
 GNW  ePn     00:07:27.80   0.1    7.8 287                                   GNW 
 PV01 P       00:07:30.05  -0.2    8.0 161 d:3.8+2     6.0X                  PV01
 ARUT ePn     00:07:32.81   1.7    8.0 189 d:2.6+2     5.6X                  ARUT
 MVU  ePb     00:07:34.86  -5.0X   7.2 183                                   MVU 
 CCUT P       00:07:36.38   2.1    8.3 189 d:2.9+2     5.8X                  CCUT
 HUMO ePn     00:07:39.01   0.2    8.6 253                                   HUMO
 TPH  ePn     00:07:40.29   0.7    8.7 210 g:4.4-3 1.0 2.5                   TPH 
 HOOD ePb     00:07:40.80   6.3X   6.9 270                                   HOOD
 MNV  ePn     00:07:41.69   1.6    8.7 215                                   MNV 
 MVCO P       00:07:42.19  -0.6    8.9 163 d:2.9+2     6.0X                  MVCO
 YBH  ePn     00:07:43.41   1.2    8.9 247                                   YBH 
 TPNV ePn     00:07:51.45   1.7    9.4 202                                   TPNV
 SHPR ePn     00:07:53.78   1.7    9.6 197                                   SHPR
 OHCM ePn     00:07:54.38   2.2    9.6 232                                   OHCM
 PAHR ePb     00:07:56.00  -0.4    8.2 225                                   PAHR
 CMB  ePn     00:07:57.89  -0.1   10.0 223 b:9.2+0 .99 5.2X                  CMB 
 GLA  ePn     00:08:39.37   2.0   12.9 191                                   GLA 
 TUC  ePn     00:08:48.62   3.7X  13.4 176                                   TUC 
 EYMN ePn     00:08:49.05  -4.3X  14.1  74 g:9.2-2 1.2 4.1X b:1.2+1 .90 4.7X EYMN
      eSn     00:11:19.98  S res =  -9.8X
 GDL2 ePn     00:09:10.62   8.5X  14.7 154                                   GDL2
 MNTX ePn     00:09:11.01   6.5X  14.9 158 b:1.8+1 1.1 4.5X                  MNTX
 CCM  ePn     00:09:29.91  -3.2X  17.1 109                                   CCM 
 YKW3 ePn     00:09:30.05  -0.8   16.9 356                                   YKW3
      eSn     00:12:41.33  S res =   2.2X
 FVM  ePn     00:09:35.04  -5.3X  17.7 108 b:7.4+0 .90 3.8                   FVM 
 JCT  ePn     00:09:42.20  -0.9   17.9 144 b:2.8+1 1.1 4.3                   JCT 
 BLO  ePn     00:10:04.98  -0.3   19.7 100                                   BLO 
 WVT  P       00:10:11.58   0.1   20.4 110 g:5.8-3 .85 3.3  b:5.8+0 .85 3.9  WVT 
 PLAL eP      00:10:17.23   0.0   21.0 113 b:6.1+0 .35 4.4                   PLAL
 ACSO eP      00:10:24.52  -0.9   21.7  94 b:1.5+1 1.0 4.3                   ACSO
 SSPA eP      00:10:58.64  -0.6   25.1  90 b:7.5+0 .99 4.4                   SSPA
 ZRNK P       00:17:51.95  -0.6   81.7 360 b:3.0+0 .93 4.4                   ZRNK



 Generated 2006 JUN 18 at 00:42 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

 


FirstGov button  Take Pride in America button