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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      3 APR 2009  ( 93)

     ot  = 14:37:52.90   +/-   1.83              KERMADEC ISLANDS REGION         
     lat =     -31.469   +/-    6.5
     lon =    -178.446   +/-    7.1              MAGNITUDE 5.4 (GS)       
     dep =        38.8   +/-    4.6   

     45 km (25 miles) E of L'Esperance Rock, Kermadec Islands (pop N/A)
     250 km (155 miles) SSW of Raoul Island, Kermadec Islands
     870 km (540 miles) NE of Auckland, New Zealand
     1245 km (770 miles) NNE of WELLINGTON, New Zealand

     nph =   50 of  50    se = 0.90    FE=177                            A   

     error ellipse = (310.0,  0.0, 12.8;220.0, 39.0,  7.8; 41.0, 50.0,  6.3)

 mb = 5.4 ( 42)  ML = 0.0 (  0)  mblg = 3.8 ( 15)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 RAO  ePn     14:38:25.50  -2.2    2.3  11 g:1.3+1 .80 5.3                   RAO 
 URZ  ePn     14:39:43.94   1.6    7.7 207 g:3.2-1 1.2 4.3                   URZ 
 OUZ  ePn     14:39:49.10   7.5    7.6 238 g:2.0-2 .77 3.1                   OUZ 
 KHZ  ePn     14:40:48.32  -2.0   12.7 208 g:1.0-2 .81 3.2                   KHZ 
 MSVF ePn     14:41:10.83   1.5   14.1 346 g:1.0-2 .95 3.1                   MSVF
 ODZ  eP      14:41:39.70   1.5   16.0 209 g:1.0-2 1.2 3.4  b:2.4+1 .62 4.5  ODZ 
 ARMA eP      14:43:24.28   2.3   25.7 264 b:1.8+1 .85 4.7                   ARMA
 EIDS eP      14:43:36.42   1.3   27.4 275 b:6.5+1 1.0 5.2                   EIDS
 CTAO eP      14:44:30.94   1.2   33.6 281 b:1.0+2 .70 5.8                   CTAO
 BBOO eP      14:45:10.33   0.4   38.3 255 b:6.8+2 .75 6.6                   BBOO
 PMG  eP      14:45:13.53   0.0   38.8 297 b:4.8+1 .60 5.5                   PMG 
 COEN eP      14:45:18.17   0.6   39.2 287 b:4.3+2 1.0 6.2                   COEN
 FORT eP      14:46:06.44  -1.5   45.4 256 b:1.7+2 1.2 5.8                   FORT
 CASY eP      14:47:06.82  -6.0   54.0 208 b:3.3+1 .60 5.5                   CASY
 MBWA eP      14:47:24.18  -1.7   55.8 264 b:3.8+1 .90 5.4                   MBWA
 QSPA eP      14:47:39.18  -6.8   58.6 180 b:6.8+1 1.1 5.7                   QSPA
 KSM  eP      14:49:28.81  -1.0   74.9 281 b:1.6+1 .80 5.1                   KSM 
 SNAA eP      14:49:42.44   0.6   77.0 178 b:7.9+1 1.2 5.6                   SNAA
 SSLB eP      14:49:54.36  -3.4   79.9 305 b:2.3+1 .80 5.2                   SSLB
 JNU  eP      14:49:56.59  -2.2   80.2 318 b:1.1+1 1.3 4.7                   JNU 
 IPM  eP      14:50:18.86  -2.2   84.3 278                                   IPM 
 PTRM eP      14:50:31.88   1.3   86.3  43                                   PTRM
 MWC  eP      14:50:32.80   0.3   86.7  46 b:9.6+0 .85 5.1                   MWC 
 PFO  eP      14:50:35.91   0.6   87.3  47 b:1.9+1 1.0 5.3                   PFO 
 ISA  eP      14:50:36.11   0.4   87.4  44 b:3.0+1 1.0 5.5                   ISA 
 CMB  eP      14:50:37.68  -0.3   87.9  42                                   CMB 
 GSC  eP      14:50:40.06   0.6   88.2  46                                   GSC 
 MTUM eP      14:50:41.36   0.4   88.5  43                                   MTUM
 LCO  eP      14:50:43.33   0.4   88.7 123                                   LCO 
 WCN  eP      14:50:43.99   0.1   89.1  41 b:1.7+1 1.0 5.3                   WCN 
 HUMO eP      14:50:46.92   0.7   89.7  37 b:3.0+2 2.9 6.1                   HUMO
 BAR  epP     14:50:47.82   4.3   86.5  48                                   BAR 
 TUC  eP      14:50:49.85   1.0   90.2  51 b:1.7+1 .90 5.3                   TUC 
 MOD  eP      14:50:50.63  -0.1   90.6  39                                   MOD 
 BMN  eP      14:50:54.13   0.0   91.3  42 b:1.5+1 .95 5.3                   BMN 
 CCUT eP      14:50:57.17   0.9   91.7  46 b:1.0+1 1.1 5.1                   CCUT
 ELK  eP      14:51:00.30  -0.2   92.7  42                                   ELK 
 MSU  eP      14:51:03.30   0.9   93.1  45                                   MSU 
 CHTO eP      14:51:04.78  -0.5   93.7 289 b:1.4+1 1.5 5.2                   CHTO
 MFID eP      14:51:06.51  -0.2   94.0  40                                   MFID
      epP     14:51:18.56  depth =  -0.1 
 BMO  eP      14:51:06.61  -0.6   94.2  38 b:4.5+1 2.2 5.5                   BMO 
 TMUT eP      14:51:08.03   0.6   94.2  45 b:9.1+0 1.0 5.2                   TMUT
 SRU  eP      14:51:08.81   0.1   94.5  46 b:2.5+2 .90 6.6                   SRU 
 HVU  eP      14:51:09.96   0.0   94.7  43 b:1.4+1 1.0 5.3                   HVU 
 HLID eP      14:51:10.86   0.1   94.9  40 b:1.3+1 1.3 5.2                   HLID
 LOHW eP      14:51:19.99  -0.9   97.1  42                                   LOHW
 IMW  eP      14:51:20.94   0.1   97.1  42 b:4.8+1 2.5 5.6                   IMW 
 BW06 eP      14:51:20.96  -0.4   97.2  43 b:5.3+1 2.7 5.6                   BW06
 BOZ  eP      14:51:24.57   0.9   97.8  40                                   BOZ 



 Generated 2009 APR  3 at 14:58 UTC

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


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