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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      8 JUL 2007  (189)

     ot  = 02:09:19.10   +/-   3.39              ROTA REGION, N. MARIANA ISLANDS 
     lat =      14.280   +/-   11.3
     lon =     146.759   +/-   24.5                                       
     dep =        45.9   +/-   28.3   

     150 km (95 miles) SE of SAIPAN, Northern Mariana Islands (pop 62,000)
     170 km (105 miles) E of Rota, Northern Mariana Islands
     235 km (145 miles) ENE of HAGATNA, Guam
     260 km (160 miles) SSE of Anatahan, Northern Mariana Islands

     nph =   11 of  12    se = 0.61    FE=216                            B   

     error ellipse = (255.3, 49.2, 56.9;135.8, 23.0, 17.6; 30.7, 31.6, 12.7)

 mb = 4.2 (  2)  ML = 0.0 (  0)  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
 GUMO Pn      02:09:49.90   0.0    2.0 250                                   GUMO
      Sn      02:10:16.70  S res =   3.5X
 WRA  P       02:16:16.76  -0.3   36.1 200                                   WRA 
 ASAR P       02:16:47.65   0.1   39.8 199                                   ASAR
 SONM P       02:17:48.09   0.2   47.2 324                                   SONM
 ZALV P       02:19:35.13  -0.3   62.1 324                                   ZALV
 MKAR P       02:19:36.72   0.2   62.3 316                                   MKAR
 KURK eP      02:19:56.14   0.2   65.2 319 b:8.4-1 .40 4.1                   KURK
 BRVK eP      02:20:30.16   0.6   70.6 322 b:2.8+0 .84 4.3                   BRVK
 YKA  P       02:21:30.47  -0.4   81.4  28                                   YKA 
 FINESP       02:22:18.58  -1.0   91.3 336                                   FINE
 LPAZ ePKPbc  02:28:57.31   0.8  146.3  98                                   LPAZ



 Generated 2007 JUL 24 at 23:27 UTC

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

 


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