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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     24 APR 2009  (114)

     ot  = 05:37:35.37   +/-   0.39              KERMADEC ISLANDS REGION         
     lat =     -31.697   +/-    7.4
     lon =    -177.669   +/-    9.5              MAGNITUDE 5.2 (GS)       
     dep =        10.0  (geophysicist)

     120 km (75 miles) ESE of L'Esperance Rock, Kermadec Islands (pop N/A)
     270 km (170 miles) S of Raoul Island, Kermadec Islands
     900 km (560 miles) NE of Auckland, New Zealand
     1260 km (780 miles) NE of WELLINGTON, New Zealand

     nph =   34 of  41    se = 1.16    FE=177                            A   

     error ellipse = (121.6,  0.0, 13.8;211.6,  0.0,  7.7;  0.0,  0.0,  0.0)

 mb = 5.2 ( 20)  ML = 5.0 (  1)  mblg = 4.0 (  7)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 RAO  ePn     05:38:10.48  -4.9X   2.4 355 L:1.4+1 1.1 5.0  g:5.5+0 1.2 4.8  RAO 
      eSn     05:38:39.76  S res =  -5.6X
 URZ  ePn     05:39:28.20  -1.0    7.8 212 g:7.0-2 .88 3.7                   URZ 
      eSn     05:41:00.63  S res =   2.8X
 KHZ  ePn     05:40:35.99  -1.2   12.8 211 g:9.9-3 1.0 3.1                   KHZ 
      eSn     05:42:53.77  S res =  -5.8X
 MSVF ePn     05:40:57.49  -2.4   14.4 343                                   MSVF
 RPZ  ePn     05:41:05.77  -0.8   14.9 213 g:6.0-2 1.0 4.0  b:4.0+1 .80 4.9X RPZ 
 ODZ  eP      05:41:21.08  -1.3   16.1 211 g:1.2-1 .86 4.4  b:1.2+2 .86 5.0  ODZ 
 AFI  eP      05:41:52.22   0.2   18.5  18 g:3.0-2 1.0 3.9  b:3.1+2 1.6 5.2  AFI 
 RAR  eP      05:41:52.33  -6.0X  19.1  61 g:6.0-2 1.0 4.2  b:4.0+1 .80 4.7  RAR 
 ARMA eP      05:43:15.36   4.1X  26.3 265 b:6.7+1 1.6 5.1                   ARMA
 EIDS eP      05:43:28.97   1.5   28.1 275 b:3.2+1 1.1 5.0                   EIDS
 CTAO eP      05:44:23.99   1.9   34.3 281 b:2.6+2 2.2 5.8                   CTAO
 STKA eP      05:44:25.45   1.9   34.5 259 b:2.7+1 1.8 4.8                   STKA
 BBOO eP      05:45:01.72   0.4   38.9 256 b:4.3+2 .70 6.2X                  BBOO
 AS31 eP      05:45:38.22   0.3   43.3 268                                   AS31
 WRAB eP      05:45:46.53  -0.2   44.4 273 b:2.7+1 .70 5.2                   WRAB
 FORT eP      05:45:59.04   0.0   46.0 256 b:3.9+1 .68 5.5                   FORT
 FITZ eP      05:46:50.01   0.0   52.6 271 b:2.7+1 1.0 5.1                   FITZ
 CASY eP      05:47:02.12   1.9   54.1 208 b:6.4+1 1.6 5.4                   CASY
 QSPA eP      05:47:32.40   1.4   58.4 180 b:4.1+1 1.0 5.4                   QSPA
 SNAA eP      05:49:27.20   0.0   76.9 178 b:3.9+1 1.3 5.3                   SNAA
 ISA  eP      05:50:19.41  -1.6   87.0  44 b:2.7+1 1.3 5.3                   ISA 
 CMB  eP      05:50:23.09  -0.4   87.5  42 b:1.5+1 1.5 5.1                   CMB 
 GLA  eP      05:50:23.91   0.3   87.5  48 b:6.3+0 1.1 4.8                   GLA 
 GSC  eP      05:50:25.67   0.9   87.8  46 b:3.8+0 .70 4.8                   GSC 
 LDFC eP      05:50:29.86   0.8   88.7  47 b:3.2+1 1.6 5.4                   LDFC
 NV11 eP      05:50:31.74   0.8   89.1  43                                   NV11
 TUC  eP      05:50:35.11   1.2   89.7  51 b:3.1+1 1.8 5.3                   TUC 
 TNA  eP      05:51:08.33   0.7   97.2   4 b:4.1+0 1.1 4.9                   TNA 
 MK31 ePKPdf  05:56:21.22  -2.5  118.8 309                                   MK31
 KURK ePKPdf  05:56:29.79  -0.1  122.1 313                                   KURK
 BRVK ePKPdf  05:56:39.41  -0.9  127.6 315                                   BRVK
 GNI  ePKPdf  05:57:12.19  -0.7  144.9 296                                   GNI 
 FIA1 ePKPdf  05:57:14.36  -0.2  146.5 340                                   FIA1
 MALT ePKPbc  05:57:26.39   0.5  149.8 293                                   MALT
 KIEV ePKPbc  05:57:30.24  -1.3  152.5 321                                   KIEV
 BR131ePKPbc  05:57:34.27   0.1  153.4 296                                   BR13
      ePKPab  05:57:44.71  -1.7X
 BUR08ePKPab  05:57:58.29  -0.4  156.4 319                                   BUR0



 Generated 2009 APR 24 at 06:35 UTC

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


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