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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      8 JUL 2007  (189)

     ot  = 08:59:00.77   +/-   1.11              FIJI REGION                     
     lat =     -19.835   +/-    7.3
     lon =    -176.059   +/-    6.1              MAGNITUDE 4.4 (GS)       
     dep =       187.7   +/-   10.2   

     170 km (105 miles) NNW of NUKU'ALOFA, Tonga
     255 km (160 miles) WSW of Neiafu, Tonga
     290 km (180 miles) ENE of Ndoi Island, Fiji
     2085 km (1300 miles) NNE of Auckland, New Zealand

     nph =   58 of  61    se = 0.70    FE=181                            A   

     error ellipse = (316.9, 63.9, 16.2;143.6, 25.9, 12.8; 52.3,  2.7,  5.3)

 mb = 4.4 ( 24)  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
 AFI  ePn     09:00:42.77  -0.6    7.2  35 d:3.9+2     7.1X L:1.8+0 .35 5.5X AFI 
      eSn     09:01:56.54  S res =  -8.0X  g:1.2+0 .70 4.9X b:3.4+2 .40 6.0X
 SNZO eP      09:03:47.11  -0.2   22.8 198                                   SNZO
 EIDS eP      09:04:59.70   0.8   30.8 254 b:1.5+1 .70 4.8                   EIDS
 ARMA eP      09:05:01.70   0.9   31.0 244                                   ARMA
 CTAO eP      09:05:40.24   1.5   35.4 263                                   CTAO
 COEN eP      09:06:13.89   1.5   39.4 272 b:2.9+1 1.2 4.8                   COEN
 STKA eP      09:06:15.09   0.0   39.7 244 b:1.6+1 .65 4.8                   STKA
 WB2  eP      09:07:08.92  -0.6   46.5 261                                   WB2 
 WRAB eP      09:07:09.23  -0.3   46.5 261 b:2.4+1 .60 4.8                   WRAB
 FORT eP      09:07:44.14  -1.3   51.2 246                                   FORT
 FITZ eP      09:08:12.57   0.0   54.9 261                                   FITZ
 SBA  eP      09:08:38.40   0.6   58.7 184 b:8.6+0 .80 4.6                   SBA 
 VNDA P       09:08:38.55   0.1   58.7 185 b:2.8+0 .85 4.1                   VNDA
 MBWA eP      09:08:45.91  -0.6   59.8 257                                   MBWA
 CASY P       09:09:21.83  -0.7   65.3 205 b:1.2+1 .83 4.8                   CASY
 KS15 eP      09:10:34.40  -2.0   77.6 317                                   KS15
 ISA  eP      09:10:36.41   0.2   77.6  45 b:6.8+0 1.0 4.3                   ISA 
 CMB  eP      09:10:36.91  -0.2   77.7  42 b:4.8+0 .85 4.2                   CMB 
 MTUM eP      09:10:42.04   0.6   78.5  43                                   MTUM
 PAHR eP      09:10:46.46   0.4   79.4  41 b:5.9+0 .78 4.4                   PAHR
 LDFC eP      09:10:47.36   0.4   79.5  47                                   LDFC
 TPNV eP      09:10:48.75   0.4   79.8  45 b:5.4+0 .75 4.4                   TPNV
 TUC  eP      09:10:55.74   0.1   81.1  51 b:7.3+0 1.0 4.4                   TUC 
 WVOR P       09:10:57.54   0.4   81.5  39 b:5.6+0 1.0 4.2                   WVOR
 CCUT P       09:11:01.13   0.7   82.0  45                                   CCUT
 ARUT P       09:11:01.26   0.6   82.1  45                                   ARUT
 MAW  P       09:11:02.27  -1.2   82.8 199 b:3.7+0 .75 4.2                   MAW 
 WUAZ eP      09:11:02.64   0.7   82.3  48 b:1.2+1 1.0 4.6                   WUAZ
 ELK  eP      09:11:03.13   0.1   82.6  42 b:5.6+0 1.0 4.2                   ELK 
 HAWA eP      09:11:07.15   0.6   83.3  36 b:9.1+0 1.0 4.5                   HAWA
 MSU  eP      09:11:07.97   0.9   83.3  45                                   MSU 
 BMO  eP      09:11:08.34  -0.1   83.7  38                                   BMO 
 DUG  eP      09:11:09.17  -0.2   83.8  43 b:2.7+1 2.4 4.6                   DUG 
 TMUT eP      09:11:13.22   0.7   84.4  45                                   TMUT
 HLID eP      09:11:13.52   0.1   84.6  40 b:3.4+0 .80 4.2                   HLID
 SRU  eP      09:11:14.03  -0.1   84.8  45                                   SRU 
 LAZ  P       09:11:15.25   0.7   84.8  51                                   LAZ 
 BNM  P       09:11:16.35   0.4   85.1  51                                   BNM 
 ANMO eP      09:11:17.88  -0.4   85.6  51 b:4.5+0 .95 4.2                   ANMO
 NEW  eP      09:11:18.14  -0.7   85.8  35                                   NEW 
 MCK  eP      09:11:19.13  -0.1   85.9  12                                   MCK 
 GDL2 eP      09:11:20.11   0.3   85.9  54                                   GDL2
 MCMT P       09:11:21.72   0.1   86.3  40                                   MCMT
 DLMT eP      09:11:23.76   0.2   86.7  39                                   DLMT
 COLA P       09:11:24.89  -0.2   87.2  12 b:9.2-1 .50 3.9                   COLA
 IMW  eP      09:11:25.41   0.5   86.9  41                                   IMW 
 SMCO eP      09:11:25.71  -0.6   87.2  47 b:3.7+0 .70 4.4                   SMCO
 BOZ  eP      09:11:26.72  -0.4   87.4  39                                   BOZ 
 SDCO eP      09:11:27.38  -0.6   87.5  48                                   SDCO
 HRY  eP      09:11:29.01  -0.1   87.9  38                                   HRY 
 WALA eP      09:11:29.42  -0.1   88.0  36 b:5.8+0 .85 4.5                   WALA
 EGAK eP      09:11:31.81   0.4   88.5  14                                   EGAK
 EGMT eP      09:11:37.32  -0.5   89.8  38                                   EGMT
      epP     09:12:21.05  depth = 174.1X
 LAO  eP      09:11:44.26  -0.3   91.2  40                                   LAO 
 RSSD P       09:11:45.13  -0.7   91.4  43 b:8.1+0 1.3 4.6                   RSSD
 ECSD eP      09:12:06.01  -1.3   96.2  46                                   ECSD
 MALT ePKPdf  09:18:16.19   0.3  145.0 309                                   MALT
 GEC2 ePKPbc  09:18:27.75  -1.3  150.0 347                                   GEC2
      ePKPab  09:18:33.92  -1.5X



 Generated 2007 JUL  8 at 09:54 UTC

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

 


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