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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      3 APR 2009  ( 93)

     ot  = 19:54:27.27   +/-   1.70              KERMADEC ISLANDS REGION         
     lat =     -27.423   +/-    8.6
     lon =    -176.305   +/-   11.4              MAGNITUDE 4.9 (GS)       
     dep =        63.4   +/-   14.4   

     255 km (160 miles) NE of Raoul Island, Kermadec Islands
     510 km (315 miles) NNE of L'Esperance Rock, Kermadec Islands
     1335 km (830 miles) NE of Auckland, New Zealand
     1740 km (1080 miles) NNE of WELLINGTON, New Zealand

     nph =   42 of  50    se = 1.36    FE=177                            B   

     error ellipse = (262.0, 56.8, 25.2;140.4, 18.9, 14.4; 40.7, 26.2, 11.3)

 mb = 4.9 ( 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
 RAO  ePn     19:55:02.86  -0.2    2.3 218 d:1.2+2     4.2X L:8.1+0 .85 4.7X RAO 
                                           g:6.3+0 .93 4.9X
 MSVF ePn     19:57:01.53   0.1   11.0 330 g:4.0-2 .90 3.7X b:2.2+2 1.6 5.9X MSVF
 AFI  ePn     19:57:32.79 -11.1X  14.1  18 g:1.3-1 .95 4.3X                  AFI 
      eSn     19:59:53.30  S res = -25.6X
 RAR  ePn     19:57:59.34 -12.6X  16.3  71                                   RAR 
 SNZO qPn     19:58:02.25  -2.2   15.7 206                                   SNZO
 KHZ  ePn     19:58:13.49  -8.5X  17.1 206 g:6.0-2 .70 4.3X b:6.0+1 .70 4.9  KHZ 
      eS      20:01:16.00  S res = -15.3X
 DZM  ePn     19:58:17.62   2.3   16.5 285 g:6.6-2 1.0 4.1X b:7.5+1 1.1 4.8  DZM 
 EIDS eP      20:00:21.90  -1.4   29.2 267 b:2.5+1 1.2 4.7                   EIDS
 CTAO eP      20:01:12.77  -0.5   34.9 274 b:2.4+1 .90 5.1                   CTAO
 STKA eP      20:01:27.72  -0.5   36.7 253 b:2.3+0 .97 4.1                   STKA
 PMG  eP      20:01:48.88   2.6   38.8 290 b:1.6+1 1.0 4.9                   PMG 
 AS31 eP      20:02:34.96  -0.5   44.8 263                                   AS31
 WRAB eP      20:02:39.74  -1.4   45.6 268 b:7.5+0 .70 4.7                   WRAB
 VNDA eP      20:03:23.48  -0.2   51.2 186 b:9.0+0 1.2 4.6                   VNDA
 SBA  eP      20:03:24.69   1.7   51.1 185 b:2.7+1 1.0 5.2                   SBA 
      epP     20:03:37.79  depth =  47.9X
 FITZ eP      20:03:44.53  -0.2   53.9 267 b:7.0+0 1.0 4.6                   FITZ
 MBWA qP      20:04:14.06  -0.4   58.1 261 b:1.3+1 .98 5.0                   MBWA
 CASY eP      20:04:17.36   1.1   58.5 207 b:4.7+1 .88 5.6                   CASY
 QSPA eP      20:04:46.92   1.7   62.7 180 b:5.9+1 1.0 5.6                   QSPA
 KKM  qP      20:05:42.32  -9.1X  73.1 286 b:3.2+1 1.1 5.1                   KKM 
 MAW  eP      20:06:05.69   0.8   75.6 200 b:1.3+1 1.4 4.7                   MAW 
 KSM  eP      20:06:06.68  -1.3   76.0 279 b:2.1+1 .91 5.1                   KSM 
 MAJO eP      20:06:12.04   0.6   76.7 324 b:3.3+1 1.4 5.1                   MAJO
 SNAA eP      20:06:35.82   0.7   81.1 178 b:1.5+1 1.0 4.9                   SNAA
 TUC  eP      20:07:00.84  -0.6   86.1  51 b:1.1+1 1.1 4.9                   TUC 
 LAZ  eP      20:07:20.06   0.9   89.8  51 b:5.1+0 1.0 4.8                   LAZ 
 ANMO eP      20:07:21.76  -1.0   90.6  50 b:6.3+0 1.1 4.9                   ANMO
 TPAW eP      20:07:30.35  -1.5   92.5  41                                   TPAW
 RRI2 eP      20:07:31.26   0.8   92.2  41                                   RRI2
 LOHW eP      20:07:33.00   0.0   92.8  42                                   LOHW
 TNA  eP      20:07:33.56   1.0   92.9   3 b:3.9+0 .86 4.9                   TNA 
 COLA eP      20:07:38.48  -2.0   94.6  12                                   COLA
 CHTO eP      20:07:40.45   1.7   94.0 289 b:9.6+0 1.2 5.1                   CHTO
 BILL qP      20:07:47.08   0.1   96.1 353                                   BILL
 TIXI ePdif   20:08:29.88  -0.5  105.8 344 b:4.4+0 1.1 5.4                   TIXI
      ePKPdf  20:12:47.02   4.3X
 ZAA0 ePKPdf  20:13:04.13   0.1  116.8 319                                   ZAA0
 TKM2 ePKPdf  20:13:10.06  -2.5  120.9 306                                   TKM2
 KKAR ePKPdf  20:13:18.05  -1.4  124.6 305                                   KKAR
 NAO01ePKPdf  20:13:59.59   0.8  146.2 354                                   NAO0
 KONO ePKPdf  20:14:03.34   2.4  147.5 354                                   KONO
 AK02 ePKPbc  20:14:06.97  -2.7  149.8 327                                   AK02
 KIEV ePKPbc  20:14:08.94  -0.6  149.7 327                                   KIEV
 AK01 ePKPbc  20:14:09.05  -0.5  149.7 327                                   AK01
 SUW  ePKPbc  20:14:10.62   1.0  149.8 337                                   SUW 
 BUR08ePKPdf  20:14:12.11   1.0  153.7 326                                   BUR0
 KWP  ePKPbc  20:14:19.01   0.8  153.4 332                                   KWP 



 Generated 2009 APR  4 at 21:04 UTC

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


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