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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     25 MAR 2008  ( 85)

     ot  = 11:59:38.00   +/-   0.00         YELLOWSTONE NAT. PARK, WYOMING  
     lat =      44.714   +/-    0.0
     lon =    -110.069   +/-    0.0              MAGNITUDE 4.4 (SLC)      
     dep =         0.2   +/-    0.0   

     65 km (40 miles) ENE of Old Faithful, Wyoming (pop <  1,000)
     80 km (50 miles) E of West Yellowstone, Montana (pop 1,100)
     85 km (50 miles) WNW of Cody, Wyoming (pop 7,000)
     585 km (365 miles) NW of CHEYENNE, Wyoming
 
     ML 4.4 (SLC).

     nph =   98 of 106    se = 0.00    FE=459                            held

     error ellipse = (  0.0,  0.0,  0.0;  0.0,  0.0,  0.0;  0.0,  0.0,  0.0)

 mb = 4.5 (  8)  ML = 3.7 ( 27)  mblg = 0.0 (  0)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 YNR  ePg     11:59:46.95   0.6    0.4 270                                   YNR 
      eSg     11:59:54.15  S res =   2.1X
 LKWY eSg     11:59:49.50   2.5    0.3 238                                   LKWY
 YFT  ePg     11:59:50.43   0.8    0.6 245                                   YFT 
      eSg     11:59:58.83  S res =   1.3X
 YMR  ePg     11:59:51.27   1.0    0.6 266 L:1.4+1 1.0 4.0                   YMR 
 RLMT ePg     11:59:51.30  -0.1    0.7  54 L:2.6+1 .48 4.3                   RLMT
      eSg     12:00:00.73  S res =   0.2X
 QLMT ePg     11:59:57.09   0.4    1.0 277                                   QLMT
      eSg     12:00:13.00  S res =   3.7X
 IMW  ePg     11:59:57.36  -0.3    1.0 218 L:5.7+0 .52 3.8                   IMW 
      eSg     12:00:10.36  S res =  -0.7X
 GCMT ePg     11:59:59.13  -0.2    1.1  15 L:8.5-1 .68 3.1                   GCMT
 LOHW ePg     11:59:59.27  -1.1    1.2 199 L:3.0+0 .75 3.6                   LOHW
      eSg     12:00:14.86  S res =  -0.6X
 SNOW ePg     12:00:03.02  -0.7    1.3 202 L:2.2+0 .75 3.6                   SNOW
      eSg     12:00:28.34  S res =   7.1X
 TPAW ePn     12:00:03.32  -1.3    1.4 208 L:2.2+0 .77 3.6                   TPAW
 DCID1ePn     12:00:03.56  -1.0    1.4 216 L:7.0+0 .68 4.1                   DCID
 BOZ  ePn     12:00:04.67  -0.8    1.4 311 L:1.8+0 .40 3.6                   BOZ 
 REDW ePn     12:00:05.13  -0.6    1.5 203 L:1.8+0 .82 3.6                   REDW
 RRI2 ePn     12:00:07.85  -0.3    1.6 214 L:2.3+0 .63 3.8                   RRI2
 DLMT ePn     12:00:12.96   1.2    1.9 291 L:1.2+0 1.0 3.7                   DLMT
 BW06 ePn     12:00:13.58   0.7    2.0 169 L:1.1+0 .52 3.6                   BW06
 LRM  ePn     12:00:13.79   0.4    2.0 304                                   LRM 
 MCMT P       12:00:14.19   1.3    2.0 274 L:6.5-1 .84 3.4                   MCMT
 AHID ePn     12:00:14.81   0.5    2.1 201 L:2.2-2 .52 2.0X                  AHID
 HRY  ePn     12:00:18.11   0.3    2.3 329                                   HRY 
 CHMT ePn     12:00:29.25   0.6    3.1 316                                   CHMT
 LAO  P       12:00:29.93  -1.5    3.3  52 d:3.3+2     4.6X L:3.0+0 .65 4.8X LAO 
 EGMT ePn     12:00:32.56   1.4    3.3   4 L:4.9+0 .47 5.0X                  EGMT
 HLID ePn     12:00:32.95   1.5    3.3 251 L:9.8-2 1.1 3.3                   HLID
 MSO  ePn     12:00:33.42   0.6    3.4 309 L:9.6-1 .85 4.4                   MSO 
 SLMT ePn     12:00:33.75   0.4    3.5 318                                   SLMT
 HVU  ePn     12:00:35.33   1.1    3.5 215 L:1.3-1 1.0 3.5                   HVU 
 SPUT ePn     12:00:39.61   1.5    3.8 208 L:9.0-2 1.4 3.5                   SPUT
 SWMT ePn     12:00:40.12   0.8    3.9 317                                   SWMT
 YBMT ePn     12:00:44.31   1.4    4.2 320                                   YBMT
 JTMT ePn     12:00:44.59   1.1    4.2 318                                   JTMT
 RSSD ePn     12:00:45.38  -0.2    4.4  96 L:1.9+0 .55 4.9X                  RSSD
 JLU  ePn     12:00:46.43   2.6    4.2 194 L:1.1-1 1.2 3.7                   JLU 
 BGU  P       12:00:46.87   1.2    4.4 211                                   BGU 
 CTU  ePn     12:00:47.02   3.6    4.2 198                                   CTU 
 NOQ  ePn     12:00:47.13   2.0    4.3 201 L:1.3-1 .96 3.8                   NOQ 
 DAU  ePn     12:00:47.84   1.8    4.4 192                                   DAU 
 M13A ePn     12:00:49.11   1.7    4.5 223 L:8.8-2 .90 3.6                   M13A
 BSMT ePn     12:00:49.43   1.5    4.5 315                                   BSMT
 PHWY ePn     12:00:52.33   0.6    4.8 134 L:5.3-1 .82 4.5                   PHWY
 MPU  ePn     12:00:53.70   1.6    4.8 194 L:5.4-2 1.0 3.5                   MPU 
 DUG  ePn     12:00:54.97   1.3    5.0 205 L:3.8-2 1.2 3.4                   DUG 
 N13A ePn     12:00:55.70   2.6    4.9 220 L:8.9-2 1.5 3.8                   N13A
 WALA ePn     12:00:56.25   0.8    5.1 330                                   WALA
 NLU  ePn     12:00:57.80   3.7    5.0 198 L:4.6-2 1.6 3.5                   NLU 
 BMO  ePn     12:00:58.26   1.9    5.2 274                                   BMO 
 N12A ePn     12:01:01.44   2.8    5.3 225 L:1.1-1 1.3 4.0                   N12A
 DGMT ePn     12:01:02.44   1.1    5.5  45                                   DGMT
 SRU  ePn     12:01:03.63   0.9    5.6 184                                   SRU 
 ELK  ePn     12:01:03.79   2.6    5.5 226                                   ELK 
 TMUT ePn     12:01:04.35   3.3    5.5 189                                   TMUT
 ISCO ePn     12:01:08.11   1.0    5.9 145                                   ISCO
 NEW  ePn     12:01:09.14   0.9    6.0 309                                   NEW 
 LNOR ePn     12:01:10.64   3.9    5.9 284                                   LNOR
 MSU  ePn     12:01:15.79   2.3    6.4 195                                   MSU 
 OD2  ePn     12:01:16.56   0.7    6.6 297                                   OD2 
 HAWA ePn     12:01:21.28   1.7    6.9 288                                   HAWA
 WVOR P       12:01:21.87   5.3    6.6 253 b:6.1+1 .95 5.6X                  WVOR
 RSW  ePn     12:01:22.53   2.3    6.9 287                                   RSW 
 OGNE ePn     12:01:22.69   0.9    7.0 120                                   OGNE
 BMN  ePn     12:01:23.51   4.6    6.8 233 d:7.4+1     2.8X                  BMN 
      P       12:01:34.17  -2.8X
 MVCO ePn     12:01:30.17   0.1    7.6 170                                   MVCO
 ARUT P       12:01:31.35   4.5    7.4 201 b:3.5+1 .86 5.6X                  ARUT
 ETW  ePn     12:01:31.75   0.6    7.7 296                                   ETW 
 SDCO ePn     12:01:33.40   1.0    7.8 152                                   SDCO
 CCUT ePn     12:01:33.49   3.7    7.6 200                                   CCUT
 LON  P       12:01:44.98   3.2    8.5 288 b:1.6+1 .72 5.4X                  LON 
 EDM  ePn     12:01:46.11   0.0    8.8 347                                   EDM 
 RPW  P       12:01:48.32   3.1    8.7 299 d:6.3+0    -0.2X L:8.7-3 1.3 3.4X RPW 
                                           b:1.2+1 1.3 5.1X
 JCW  P       12:01:52.16   4.5    8.9 297 d:1.4+1     0.8X                  JCW 
 SHPR ePn     12:01:54.10   4.0    9.1 207                                   SHPR
 WUAZ ePn     12:01:54.68   2.2    9.2 187                                   WUAZ
 CBKS ePn     12:01:57.60  -1.2    9.7 124                                   CBKS
 ECSD ePn     12:01:58.01  -0.8    9.7  91                                   ECSD
 PAHR ePb     12:02:03.96  -2.5    8.5 237                                   PAHR
 ANMO ePn     12:02:07.65   2.8   10.1 163                                   ANMO
 BNM  P       12:02:22.09   7.1   10.9 165 b:2.1+1 1.1 5.5X                  BNM 
 KSU1 ePn     12:02:23.29   0.2   11.5 115                                   KSU1
 AMTX P       12:02:30.17   3.5   11.7 144 b:8.5+0 .88 5.1X                  AMTX
 SCIA ePn     12:02:40.74   2.5   12.6  97                                   SCIA
 EYMN P       12:02:43.67  -3.3   13.2  69 b:2.4+1 .78 5.4X                  EYMN
 WMOK ePn     12:02:45.03  -1.6   13.2 135                                   WMOK
 MNTX P       12:02:53.35   2.7   13.5 163 b:4.5+0 1.0 4.4X                  MNTX
 MIAR ePn     12:03:24.92  -2.4   16.2 123 b:1.3+1 .75 4.2                   MIAR
 FVM  ePn     12:03:26.27  -0.4   16.2 108 b:6.5+1 1.2 4.6                   FVM 
 JCT  ePn     12:03:28.51  -0.3   16.4 147 b:1.7+1 .95 4.1                   JCT 
 FCC  ePn     12:03:36.30  -2.1   17.1  29 b:1.1+0 1.1 2.9X                  FCC 
 OLIL ePn     12:03:39.70  -2.6   17.4 102 b:8.8+1 1.0 4.8                   OLIL
 WVT  eP      12:03:59.50  -0.8   18.9 109                                   WVT 
 PLAL eP      12:04:05.68   0.0   19.4 112 b:1.4+1 1.0 4.2                   PLAL
 ACSO eP      12:04:16.96   0.3   20.4  93 b:2.7+1 1.0 4.5                   ACSO
 SWET eP      12:04:19.25  -0.6   20.7 109                                   SWET
 LRAL eP      12:04:26.32  -0.1   21.3 115                                   LRAL
 ERPA eP      12:04:34.55   1.6   21.9  86                                   ERPA
 ALLY eP      12:04:34.97   1.7   22.0  87 b:6.1+1 1.0 5.0                   ALLY
 SSPA P       12:05:00.38   7.0   23.9  88 b:1.7+1 1.0 4.6                   SSPA
 EGAK eP      12:05:24.82   8.5   26.5 330                                   EGAK



 Generated 2008 MAR 25 at 12:22 UTC

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


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