Phase Data

Explanation of Parameters


     17 APR 2013  (107)

     ot  = 15:52:52.51   +/-   0.71              BOUGAINVILLE REGION, P.N.G.     
     lat =      -6.287   +/-    4.7
     lon =     154.286   +/-    4.9              MAGNITUDE 4.6 (GS)       
     dep =        67.9   +/-    6.9   

     140 km (87 miles) W of Arawa, Bougainville, PNG (pop 36,000)
     244 km (152 miles) SE of Taron, New Ireland, PNG
     856 km (532 miles) ENE of PORT MORESBY, Papua New Guinea
     2350 km (1459 miles) N of BRISBANE, Queensland, Australia

     nph =   45 of  48    se = 0.82    FE=193                            A   

     error ellipse = (213.4, 72.1, 11.0;304.6,  0.4,  7.7; 34.7, 17.9,  6.4)

 mb = 4.6 ( 30)  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     15:53:36.65  -0.7    3.0 314 L:2.4+1 .60 5.5X                  RABL
 HNR  ePn     15:54:24.74   0.2    6.4 119                                   HNR 
 PMG  ePn     15:54:42.86   0.7    7.7 246                                   PMG 
 PATS ePn     15:56:02.53  -0.5   13.6  17                                   PATS
 COEN ePn     15:56:07.04   8.2X  13.3 234                                   COEN
 CTAO ePn     15:56:31.44   0.7   15.8 209 b:2.3+1 1.1 4.2                   CTAO
 EIDS eP      15:57:11.33   0.1   19.2 189 b:1.4+1 1.2 4.1                   EIDS
 DZM  eP      15:57:15.59   0.1   19.6 144 b:1.5+1 .90 4.3                   DZM 
 FAKI eP      15:57:44.99   1.4   22.2 278 b:1.3+1 .90 4.4                   FAKI
 WB2  eP      15:57:57.05  -0.9   23.6 233                                   WB2 
 WRAB eP      15:57:57.22  -0.6   23.6 233 b:1.4+1 .90 4.4                   WRAB
 AS01 eP      15:58:19.25  -0.9   26.1 226                                   AS01
 AS31 eP      15:58:20.26  -0.2   26.1 226 b:1.6+0 .65 3.7                   AS31
 FITZ eP      15:58:56.45  -1.3   30.3 245 b:6.3+0 .95 4.3                   FITZ
 SSLB eP      16:00:54.27  -0.7   44.2 314 b:1.8+1 .70 5.0                   SSLB
 KS01 eP      16:01:39.75  -0.4   50.0 333                                   KS01
 CM01 eP      16:02:50.45  -0.9   59.8 295                                   CM01
 CHTO eP      16:02:53.89   1.6   60.0 296 b:6.0+0 1.3 4.6                   CHTO
 ULN  eP      16:03:44.78  -0.1   68.0 328 b:4.4+0 .80 4.5                   ULN 
 SHL  eP      16:03:46.11  -1.2   68.3 301 b:2.9+1 .92 5.2                   SHL 
 LSA  eP      16:03:59.68   0.0   70.3 304 b:9.6+0 .90 4.7                   LSA 
 BILL eP      16:04:24.25   0.1   74.6   5 b:2.2+1 2.0 4.7                   BILL
 ANM  eP      16:04:36.93   0.6   76.8  17 b:3.7+0 .84 4.4                   ANM 
 SML  eP      16:04:58.98   0.0   80.9  24 b:1.5+1 1.1 4.8                   SML 
 IM3  eP      16:05:01.22   0.2   81.3  19                                   IM3 
 CCB  eP      16:05:07.54  -0.3   82.6  22 b:1.8+1 1.8 4.7                   CCB 
 MK31 eP      16:05:08.16   0.7   82.4 319 b:2.3+0 .80 4.2                   MK31
 MAKZ eP      16:05:08.26  -0.2   82.6 319 b:5.5+0 1.0 4.4                   MAKZ
 MK01 eP      16:05:08.32   1.0   82.4 319                                   MK01
 IL1  eP      16:05:08.86  -1.1   83.0  22                                   IL1 
 ILB  eP      16:05:09.03  -0.9   83.0  22 b:4.4+0 1.0 4.4                   ILB 
 ZALV eP      16:05:10.45  -0.8   83.2 326                                   ZALV
 QSPA eP      16:05:14.04   0.3   83.7 180 b:1.1+1 1.2 4.7                   QSPA
 TOLK eP      16:05:16.37   0.4   84.2  18 b:3.7+0 .85 4.4                   TOLK
 EGAK eP      16:05:21.18   0.3   85.1  23 b:7.7+0 1.0 4.7                   EGAK
 KDJ  eP      16:05:21.95   2.5   84.7 313 b:9.3+0 .90 4.8                   KDJ 
 HYT  eP      16:05:22.07   1.3   85.1  27 b:1.0+1 1.0 4.8                   HYT 
 NIL  eP      16:05:26.83   0.8   86.0 304 b:1.2+1 .85 5.0                   NIL 
 EPYK eP      16:05:32.82   0.4   87.5  22 b:7.8+0 .90 4.9                   EPYK
 MWC  eP      16:05:51.77  -0.7   91.6  56 b:1.6+1 .85 5.4                   MWC 
 NV01 eP      16:05:53.43  -0.3   91.8  52                                   NV01
 NV11 eP      16:05:53.85  -0.3   92.0  52 b:5.0-1 .95 3.9                   NV11
 KVN  eP      16:05:55.24   0.5   92.1  51 b:3.3+0 .98 4.7                   KVN 
 R11A eP      16:06:03.66   0.2   94.0  52 b:3.6+0 1.1 4.7                   R11A
 PTGA ePKPbc  16:12:22.38  -0.6  145.1 100                                   PTGA
 TOA0 ePKPdf  16:12:34.20  -0.5  152.2 286                                   TOA0
      ePKPbc  16:12:41.05  -0.4X
      ePKPbc  16:12:41.99   0.6X



 Generated 2013 APR 17 at 17:35 UTC

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