Phase Data

Explanation of Parameters


     25 FEB 2013  ( 56)

     ot  = 02:37:10.80   +/-   1.66              EASTERN NEW GUINEA REG., P.N.G. 
     lat =      -5.685   +/-   10.8
     lon =     146.810   +/-   14.1              MAGNITUDE 4.2 (GS)       
     dep =       122.8   +/-   18.7   

     118 km (73 miles) N of Lae, New Guinea, PNG (pop 78,000)
     123 km (76 miles) ESE of Madang, New Guinea, PNG (pop 27,000)
     420 km (261 miles) N of PORT MORESBY, Papua New Guinea
     2500 km (1553 miles) NNW of BRISBANE, Queensland, Australia

     nph =   19 of  21    se = 1.02    FE=207                            B   

     error ellipse = (126.3, 50.4, 35.9;276.9, 35.8, 13.8; 17.8, 14.7, 10.5)

 mb = 4.2 (  7)  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
 RABL ePn     02:38:30.34  -0.8    5.5  75 L:7.0-1 .70 4.8X                  RABL
 CTAO ePn     02:40:29.46   1.4   14.3 182                                   CTAO
 WB2  eP      02:41:17.49  -1.7   18.6 219 b:1.4+1 1.0 4.2                   WB2 
 WRAB eP      02:41:18.78  -0.4   18.6 219 b:9.4+0 .85 4.1                   WRAB
 AS01 eP      02:41:52.99   0.4   21.7 213                                   AS01
 AS31 eP      02:41:53.92   1.1   21.8 214 b:1.9+0 .70 3.6                   AS31
 CM01 eP      02:46:14.64   0.0   52.9 298                                   CM01
 ULN  eP      02:47:30.64   1.0   63.7 331 b:3.7+0 .90 4.3                   ULN 
 SONA1eP      02:47:32.45   0.8   64.0 331                                   SONA
 MK01 eP      02:48:50.47  -0.4   77.1 320                                   MK01
 MK31 eP      02:48:50.87  -0.1   77.1 320                                   MK31
 MKAR eP      02:48:50.87  -0.1   77.1 320 b:8.5+0 1.0 4.5                   MKAR
 MAKZ eP      02:48:52.06   0.0   77.3 320 b:1.6+0 .65 3.9                   MAKZ
 ZALV eP      02:48:58.15  -0.9   78.6 328                                   ZALV
 IL1  eP      02:49:33.74   0.2   85.3  23                                   IL1 
 ILB  eP      02:49:34.52   1.0   85.3  23                                   ILB 
 EPYK eP      02:49:56.26   1.1   89.8  23 b:3.7+0 .90 4.5                   EPYK
 PGC          02:50:19.60   4.4X  94.1  42                                   PGC 
 SFJD P       02:51:52.56  -7.5X 117.6   8                                   SFJD
 TOA0 ePKPdf  02:56:32.77  -1.6  144.8 285                                   TOA0
 BDFB ePKPbc  02:56:56.44  -1.2  154.2 145                                   BDFB



 Generated 2013 FEB 25 at 04:57 UTC

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