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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     17 MAY 2009  (137)

     ot  = 06:45:18.32   +/-   0.25              WYOMING                         
     lat =      42.536   +/-    2.5
     lon =    -108.116   +/-    2.7              MAGNITUDE 3.9 (GS)       
     dep =         5.0  (geophysicist)

     25 km (15 miles) W of Jeffrey City, Wyoming (pop 1,000)
     60 km (35 miles) SSE of Riverton, Wyoming (pop 9,000)
     60 km (35 miles) ESE of Lander, Wyoming (pop 7,000)
     315 km (195 miles) WNW of CHEYENNE, Wyoming
 
     ML 3.9 (GS). Felt (II) at Lander and Rock Springs. Also felt at
     Fort Washakie.

     nph =   54 of  95    se = 0.82    FE=460                            A   

     error ellipse = ( 55.1,  0.0,  3.9;145.1,  0.0,  2.9;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 4.2 ( 26)  mblg = 3.4 ( 17)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 BW06 ePg     06:45:37.06  -2.1    1.1 283 L:7.4+0 .25 4.0  g:6.3-1 .63 3.8X BW06
      eSg     06:45:51.35  S res =  -2.0X
 LOHW ePn     06:45:54.68   0.1    2.1 301 L:3.3+0 .55 4.2                   LOHW
      eSn     06:46:21.51  S res =   0.1X
 REDW ePn     06:45:55.46   0.1    2.2 293 L:8.1+0 .52 4.6                   REDW
      eSg     06:46:23.26  S res =  -4.8X
 AHID ePn     06:45:55.47  -0.4    2.2 277 d:1.9+2     3.4X L:1.1+0 .50 3.8  AHID
      eSn     06:46:21.86  S res =  -1.9X  g:6.2-1 .65 4.0X
 SNOW ePn     06:45:55.48   0.5    2.1 296 L:8.3+0 .43 4.6                   SNOW
      eSn     06:46:23.25  S res =   1.1X
 MOOW ePn     06:45:56.20  -0.5    2.3 303 L:6.0-1 .50 3.5                   MOOW
 TPAW ePn     06:45:56.80  -0.2    2.3 296 L:8.3+0 .40 4.7                   TPAW
 PHWY ePn     06:45:58.51   0.8    2.3 121 L:4.8+0 .32 4.5                   PHWY
 IMW  ePn     06:45:58.70  -0.8    2.5 304 L:3.4+0 .43 4.4                   IMW 
 RRI2 ePn     06:45:59.24  -0.5    2.5 290 L:3.9+0 .60 4.4                   RRI2
 DCID1ePn     06:45:59.30  -0.3    2.5 296 L:8.1+0 .73 4.8                   DCID
 HWUT ePn     06:46:02.29  -0.7    2.7 251 L:1.3+0 .45 4.2  g:6.4-1 .70 4.1X HWUT
      eSn     06:46:34.89  S res =  -1.6X
 RLMT ePn     06:46:03.77   1.2    2.7 343 d:3.3+2     4.1X L:2.2+0 .30 4.4  RLMT
      eSn     06:46:39.33  S res =   3.6X  g:1.4+0 .70 4.4X
 YMR  ePn     06:46:06.64   0.3    3.0 317 d:3.1+2     4.2X L:4.5-1 .54 3.8  YMR 
      eSg     06:46:52.13  S res =  -1.6X  g:2.3-1 .62 3.7X
 JLU  ePn     06:46:08.50  -0.5    3.2 233 L:1.2+0 .33 4.3                   JLU 
 DAU  ePn     06:46:09.29   0.1    3.2 229                                   DAU 
 CTU  ePn     06:46:10.02  -0.6    3.3 237                                   CTU 
 QLMT ePn     06:46:10.95  -0.2    3.3 315                                   QLMT
 RSSD ePn     06:46:10.95  -0.9    3.4  61 L:7.9-1 .70 4.2X g:2.1-1 .80 3.6  RSSD
      eSn     06:46:53.69  S res =   1.4X
 ISCO ePn     06:46:11.59   0.3    3.3 145 L:5.2-1 .38 4.0  g:1.6-1 .80 3.5  ISCO
 GCMT ePn     06:46:12.61  -0.1    3.4 342 d:3.2+2     4.3X L:5.5-1 .56 4.1  GCMT
      eSn     06:46:57.41  S res =   3.5X  g:3.4-1 .70 3.9X
 HVU  ePn     06:46:13.29  -0.9    3.5 259 L:1.1+0 .53 4.5                   HVU 
 SMCO ePn     06:46:13.58   0.3    3.5 165 L:1.3+0 .30 4.5  g:2.0-1 .90 3.6  SMCO
 MPU  ePn     06:46:15.79   0.1    3.7 228 L:5.0-1 .89 4.2                   MPU 
 BOZ  ePn     06:46:20.67   0.1    4.0 322 L:1.2-1 .65 3.7  g:1.6-1 1.1 3.5  BOZ 
      eSn     06:47:06.32  S res =  -1.6X
 DUG  ePn     06:46:22.26  -1.4    4.2 238 L:3.5-1 .95 4.2                   DUG 
 PV04 ePn     06:46:22.90   0.0    4.2 189                                   PV04
 MCMT ePn     06:46:24.41   2.2X   4.1 305 d:4.1+2     4.8X L:3.4-2 .38 3.1X MCMT
      eSg     06:47:29.48  S res =  -1.3X  g:4.5-2 1.0 3.0X
 PV01 ePn     06:46:25.96  -0.2    4.4 185 d:3.7+2     4.8X L:1.9+1 .52 6.0X PV01
      eSn     06:47:17.68  S res =  -0.3X  g:1.5+1 .86 5.6X
 DLMT ePn     06:46:26.44   2.0    4.3 313 L:1.2-1 1.2 3.7                   DLMT
 LRM  ePn     06:46:28.96   1.2    4.5 318                                   LRM 
      eSg     06:47:39.73  S res =  -4.0X
 HLID ePn     06:46:31.42   1.0    4.7 285 d:3.2+2     4.7X L:6.9-2 .88 3.6  HLID
                                           g:5.1-2 .88 3.2X
 OGNE ePn     06:46:31.73   0.1    4.8 107 d:3.1+2     4.7X L:5.1-1 .48 4.5X OGNE
      eSg     06:47:53.04  S res =  -0.1X  g:4.1-1 .83 4.1 
 HRY  ePn     06:46:33.02  -0.3    4.9 329                                   HRY 
      eSg     06:47:49.72  S res =  -7.3X
 MSU  ePn     06:46:36.06   0.9    5.1 219                                   MSU 
 MVU  ePn     06:46:36.35   0.8    5.1 219 L:2.5-1 .47 4.3                   MVU 
 SDCO ePn     06:46:36.75  -0.1    5.2 156 L:7.0-2 1.1 3.7  g:3.0-2 .75 3.1  SDCO
 ELK  ePn     06:46:43.20   0.3    5.6 254                                   ELK 
 CHMT ePn     06:46:44.40   0.5    5.7 322                                   CHMT
      eSg     06:48:24.24  S res =   2.8X
 MFID ePn     06:46:45.21   1.1    5.7 281 d:2.6+2     4.9X L:4.8-2 .98 3.7X MFID
      eSg     06:48:18.03  S res =  -4.1X  g:4.1-2 .98 3.2X b:2.2+1 .80 4.9X
 MSO  ePn     06:46:48.33   0.9    6.0 318 d:3.5+2     5.2X L:2.9-2 .85 3.5X MSO 
      eSg     06:48:27.54  S res =  -2.4X  g:2.1-2 .85 3.0X b:9.3+0 .60 4.7X
 SLMT ePn     06:46:48.93   0.2    6.1 323 d:3.7+2     5.3X L:7.7-2 .68 3.9X SLMT
      eSg     06:48:25.89  S res =  -6.9X  g:6.9-2 1.0 3.4X b:2.1+1 .72 5.0X
 SWMT ePn     06:46:53.36  -1.2    6.5 322 d:4.1+2     5.6X L:3.5-2 .72 3.7X SWMT
                                           g:2.5-2 .90 3.1X b:8.2+0 .54 4.9X
 ARUT ePn     06:46:53.50   2.1X   6.3 222 L:3.4-2 .58 3.6X g:2.5-2 .88 3.1X ARUT
                                           b:2.1+1 .28 5.5X
 DGMT ePn     06:46:54.40  -0.8    6.5  24 L:7.5-1 .95 5.0X g:1.6-1 .90 3.9  DGMT
 CCUT ePn     06:46:54.51   1.0    6.4 221                                   CCUT
 YBMT ePn     06:46:58.49   0.2    6.8 324 d:3.0+2     5.3X L:2.8-2 .48 3.6X YBMT
                                           g:2.4-2 .80 3.2X b:7.8+0 .30 5.3X
 JTMT ePn     06:46:59.29   0.6    6.8 322 d:3.1+2     5.4X L:3.4-2 .88 3.7X JTMT
      eSg     06:48:53.87  S res =  -2.4X  g:2.5-2 .88 3.1X b:6.7+0 .60 4.9X
 BSMT ePn     06:47:02.91  -0.1    7.1 321 d:3.3+2     5.5X L:2.4-2 .82 3.6X BSMT
      eSg     06:49:03.94  S res =  -2.3X  g:1.8-2 .88 3.0X b:7.6+0 .82 4.9X
 BMO  ePn     06:47:03.67   1.4    7.1 292 L:1.5-2 1.4 3.4X g:1.1-2 1.0 2.7X BMO 
      eSg     06:49:00.22  S res =  -4.4X  b:2.0+1 .80 5.4X
 WUAZ ePn     06:47:05.47  -2.4X   7.5 201 d:3.2+2     5.6X L:1.3-1 .65 4.4X WUAZ
      eSg     06:49:07.42  S res = -10.1X  g:1.1-1 .93 3.8X b:5.7+1 .75 5.9X
 ANMO qPn     06:47:05.59  -5.5X   7.7 170 d:2.5+2     5.4X L:1.6-2 .73 3.5X ANMO
      eSg     06:49:26.66  S res =   1.7X  g:1.0-2 .73 2.9X b:1.0+1 .73 5.1X
 WALA ePn     06:47:09.48  -1.4    7.7 330 d:2.2+2     5.3X L:1.6-3 .80 2.5X WALA
      eSg     06:49:10.30  S res = -14.3X  g:1.4-3 1.0 1.9X b:4.3-1 .85 3.7X
 WVOR ePn     06:47:12.72   0.5    7.8 273 d:2.2+2     5.4X L:1.2-2 1.1 3.4X WVOR
      eSg     06:49:25.49  S res =  -2.4X  g:9.1-3 1.0 2.7X b:6.2+0 .88 4.8X
 LAZ  ePn     06:47:16.65  -0.9    8.2 174 d:2.5+2     5.6X L:1.3-2 .60 3.5X LAZ 
      eSg     06:49:39.37  S res =  -0.8X  g:1.0-2 .78 2.9  b:9.4+0 .78 5.1X
 NEW  ePn     06:47:21.30  -1.3    8.5 315 d:2.9+2     5.9X L:1.7-2 .90 3.7X NEW 
                                           g:1.4-2 .95 3.0  b:6.0+0 .88 4.9X
 ECSD ePn     06:47:21.83  -0.2    8.5  78 d:3.5+2     6.0X L:6.6-2 .85 4.3X ECSD
                                           g:4.8-2 .85 3.6  b:1.1+1 .58 5.4X
 BLMT ePg     06:47:26.30  -6.5X   7.0 323 d:1.8+2     4.9X L:4.0-2 .70 3.8X BLMT
      eSg     06:48:55.64  S res =  -8.2X  g:2.4-2 .70 3.2  b:1.4+1 .72 5.2X
 KSU1 ePn     06:47:33.75  -0.3    9.4 108 d:2.1+1     3.5X L:2.2-2 .38 4.0X KSU1
                                           g:9.8-3 .63 3.1  b:1.1+1 .38 5.6X
 TUC  qPn     06:47:43.39  -5.1X  10.4 193 g:1.2-2 1.0 3.1  b:9.6+0 1.1 5.2X TUC 
 AGMN qPn     06:47:43.90  -3.6X  10.4  52 g:2.8-2 .75 3.6  b:1.0+1 .45 5.6X AGMN
 WMOK ePn     06:47:46.03  -5.8X  10.7 134 g:3.5-2 .90 3.6  b:6.9+0 .63 5.2X WMOK
 BNM  ePg     06:47:55.22  -5.0X   8.5 172                                   BNM 
      eSg     06:49:42.56  S res =  -7.1X
 FFC  ePn     06:48:19.34  -2.1X  12.8  16 g:1.8-2 1.0 3.4  b:2.7+0 .50 4.7X FFC 
 JCT  ePn     06:48:34.00   0.0X  13.8 148 g:3.0-2 1.3 3.6                   JCT 



 Generated 2009 MAY 17 at 09:26 UTC

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


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