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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     28 JUL 2007  (209)

     ot  = 19:11:17.80   +/-   0.67              REVILLA GIGEDO ISLANDS REGION   
     lat =      19.762   +/-    7.1
     lon =    -109.054   +/-    8.1              MAGNITUDE 4.8 (GS)       
     dep =        10.0  (geophysicist)

     230 km (145 miles) ENE of Socorro Island, Mexico
     350 km (215 miles) SSE of Cabo San Lucas, Baja Calif. Sur, Mexico
     410 km (255 miles) WSW of Puerto Vallarta, Jalisco, Mexico
     1035 km (640 miles) W of MEXICO CITY, D.F., Mexico

     nph =   42 of  47    se = 1.09    FE=053                            A   

     error ellipse = ( 53.0,  0.0, 12.1;143.0,  0.0,  7.3;  0.0,  0.0,  0.0)

 mb = 4.5 ( 36)  ML = 0.0 (  0)  mblg = 3.6 ( 21)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 TUC  ePn     19:14:17.88   0.7   12.6 353 b:1.8+2 2.1 5.9X                  TUC 
 JCT  ePn     19:14:30.64   0.3   13.6  36 g:2.8-2 1.1 3.6  b:2.8+1 1.1 5.1X JCT 
 LENM ePn     19:14:43.98   1.2   14.5   7                                   LENM
 LAZ  ePn     19:14:48.45   2.7X  14.7   6                                   LAZ 
 ANMO ePn     19:14:56.10   2.0   15.3   8 g:1.2-2 1.0 3.3  b:1.2+1 1.0 4.2  ANMO
 HKT  eP      19:14:57.73  -1.3   15.7  47 g:7.9-2 1.5 4.0X b:7.9+1 1.5 4.7  HKT 
 WUAZ eP      19:15:01.23   0.3   15.8 353 g:1.3-2 .80 3.5  b:1.3+1 .80 4.2  WUAZ
 AMTX ePn     19:15:07.76  -0.7   16.4  22 g:1.8-2 .93 3.6  b:1.8+1 .93 4.2  AMTX
 WMOK ePn     19:15:21.84   0.2   17.5  29 g:1.9-2 1.1 3.6  b:1.9+1 1.1 4.1  WMOK
 MVCO ePn     19:15:21.88   1.2   17.4   2 g:2.6-2 .83 3.9  b:2.4+1 .75 4.4  MVCO
 SDCO ePn     19:15:32.11   1.4   18.2   9 g:1.7-2 1.2 3.5  b:1.7+1 1.2 4.1  SDCO
 TPNV ePn     19:15:32.43   1.1   18.2 341 g:3.5-2 1.3 3.8  b:2.9+2 2.1 5.0  TPNV
 MIAR eP      19:15:51.99   0.0   20.1  40 g:1.3-2 1.1 3.5  b:1.3+1 1.1 4.2  MIAR
 SAO  qP      19:15:52.21   0.3   20.1 330 b:6.2+1 1.7 4.7                   SAO 
 ISCO eP      19:15:53.49   0.5   20.2   8 g:8.2-3 .90 3.4  b:8.2+0 .90 4.1  ISCO
 DUG  eP      19:15:57.29  -0.2   20.6 352 g:2.1-2 1.0 3.8  b:1.5+1 .90 4.3  DUG 
 CMB  eP      19:15:57.49  -0.8   20.7 334 g:7.0-3 1.0 3.3  b:1.5+1 1.3 4.2  CMB 
 VBMS eP      19:15:59.18   0.6   20.7  50 b:1.2+2 .30 5.7X                  VBMS
 ELK  eP      19:16:07.48  -0.4   21.6 347 g:1.0-2 1.1 3.5  b:1.0+1 1.1 4.1  ELK 
 TGUH eP      19:16:10.00   2.1   21.6 102 g:1.9-1 1.2 4.7X b:1.9+2 1.2 5.3  TGUH
 KSU1 eP      19:16:14.65   1.7   22.1  27                                   KSU1
 OXF  eP      19:16:20.29  -0.2   22.8  46 b:3.7+1 1.0 4.8                   OXF 
 PLAL eP      19:16:30.13  -2.1   23.9  46 g:1.7-2 1.0 3.8  b:1.7+1 1.0 4.6  PLAL
 CCM  eP      19:16:31.32  -0.6   23.9  37 g:1.4-2 1.1 3.7  b:3.4+1 1.4 4.7  CCM 
 HLID eP      19:16:32.65  -1.6   24.2 350 g:5.7-3 .90 3.4  b:4.7+0 .80 4.1  HLID
 MOD  eP      19:16:33.56   0.3   24.0 339 g:1.3-2 1.0 3.7  b:1.9+1 1.1 4.6  MOD 
 RSSD eP      19:16:38.56  -0.3   24.6   9 g:9.2-3 1.1 3.5  b:9.2+0 1.1 4.3  RSSD
 RLMT eP      19:16:45.88   1.5   25.3 360 g:9.9-3 1.3 3.5  b:9.9+0 1.3 4.3  RLMT
 BOZ  eP      19:16:49.25  -0.9   25.9 356 g:3.7-3 1.0 3.2  b:2.9+0 .85 4.0  BOZ 
 DWPF eP      19:16:55.73  -0.1   26.5  66 b:3.0+1 1.0 4.9                   DWPF
 LAO  eP      19:17:03.32   3.8X  27.0   4 g:1.1-2 .85 3.8  b:1.1+1 .85 4.6  LAO 
 ACSO qP      19:17:28.25  -0.6   30.2  42                                   ACSO
 COWI eP      19:17:33.39  -1.7   31.0  27 b:8.2+0 .83 4.7                   COWI
 EYMN eP      19:17:38.57  -1.4   31.5  23 b:6.4+0 .98 4.5                   EYMN
 ULM  eP      19:17:45.41  -0.3   32.2  16 b:1.5+1 1.2 4.8                   ULM 
 OTAV eP      19:18:19.56   2.2X  35.7 119 b:4.1+1 1.3 5.1                   OTAV
 NCB  eP      19:18:32.43  -1.5   37.7  42 b:8.8+0 1.0 4.5                   NCB 
 SDV  eP      19:18:43.18   0.9   38.7 101 b:1.7+1 1.0 4.7                   SDV 
 SJG  qP      19:18:56.98  -0.6   40.5  85                                   SJG 
 SCHQ eP      19:19:51.00  -0.7   47.3  32 b:2.9+1 1.3 5.2                   SCHQ
 EGAK eP      19:20:09.32  -1.1   49.8 343 b:6.0+0 .88 4.6                   EGAK
 SLKM eP      19:20:10.90  -1.2   50.0 335                                   SLKM
 TTA  eP      19:20:35.89  -3.4X  53.6 335 b:8.0+0 .90 4.7                   TTA 
 IMA2 eP      19:20:42.54  -3.3X  54.5 339                                   IMA2
 LVC  eP      19:21:09.21   1.2   57.5 135                                   LVC 
 CPUP eP      19:22:16.76  -0.4   68.0 131 b:2.2+1 1.1 5.3                   CPUP
 PLCA eP      19:22:30.70   0.8   70.0 150 b:1.3+1 1.3 4.9                   PLCA



 Generated 2007 JUL 28 at 21:38 UTC

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

 


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