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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     13 JUL 2007  (194)

     ot  = 02:18:14.61   +/-   3.27              VANUATU                         
     lat =     -20.341   +/-   23.7
     lon =     169.575   +/-   12.2                                       
     dep =       192.4   +/-   30.5   

     95 km (60 miles) SSE of Isangel, Tanna, Vanuatu (pop 700)
     220 km (135 miles) NE of Tadine, Loyalty Islands, New Caledonia
     315 km (195 miles) SSE of PORT-VILA, Efate, Vanuatu
     1860 km (1150 miles) ENE of BRISBANE, Queensland, Australia

     nph =   12 of  12    se = 0.94    FE=186                            C   

     error ellipse = (194.0, 54.2, 55.6; 36.2, 33.7, 26.9;299.0, 10.6, 12.9)

 mb = 4.0 (  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
 RAO  P       02:21:29.43  -0.4   14.4 130                                   RAO 
 URZ  P       02:22:22.28   0.4   19.0 162                                   URZ 
 CTAO eP      02:22:52.69   0.1   21.9 267 b:4.3+0 .55 4.2                   CTAO
 CTA  P       02:22:53.05   0.5   21.9 267                                   CTA 
 COEN eP      02:23:31.19   1.3   26.0 280 b:2.1+0 .83 3.9                   COEN
 WRA  P       02:24:30.44  -1.7   33.0 264                                   WRA 
 ASAR P       02:24:32.70  -0.7   33.2 258                                   ASAR
 FITZ P       02:25:43.04   0.2   41.5 265                                   FITZ
 QSPA eP      02:29:04.10   0.6   69.7 180                                   QSPA
 ARCESPKP     02:36:53.27  -0.2  126.2 345                                   ARCE
 GERESPKPbc   02:37:31.11   0.5  145.6 331                                   GERE
 TORD PKP     02:37:57.24  -0.7  166.4 240                                   TORD



 Generated 2007 JUL 28 at 01:08 UTC

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

 


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