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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      8 JUN 2009  (159)

     ot  = 03:31:46.45   +/-   3.24              TONGA REGION                    
     lat =     -22.834   +/-    4.7
     lon =    -174.999   +/-    4.8              MAGNITUDE 5.2 (GS)       
     dep =        14.3   +/-   19.9   

     190 km (115 miles) S of NUKU'ALOFA, Tonga
     450 km (280 miles) ESE of Ndoi Island, Fiji
     475 km (295 miles) SSW of Neiafu, Tonga
     1845 km (1140 miles) NE of Auckland, New Zealand

     nph =   89 of 111    se = 0.78    FE=174                            B   

     error ellipse = (220.4, 83.2, 30.6;312.0,  0.2,  8.3; 42.0,  6.8,  4.9)

 mb = 5.0 ( 64)  ML = 0.0 (  0)  mblg = 4.4 (  1)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 RAO  ePn     03:33:26.32  -1.0    6.9 202                                   RAO 
      eS      03:34:43.16  S res =  -2.5X
 AFI  ePn     03:33:55.71  -5.7X   9.4  20                                   AFI 
      eS      03:35:35.78  S res = -11.1X
 RAR  ePn     03:34:58.48  -8.9X  14.2  86 g:1.3-1 .90 4.4  b:1.3+2 .90 5.6X RAR 
 FUNA ePn     03:35:22.46   0.7   15.3 338                                   FUNA
 URZ  ePn     03:35:42.11   0.9   16.8 202 b:2.3+1 .74 4.4                   URZ 
      eS      03:38:33.54  S res = -14.1X
 SNZO eP      03:36:23.80   1.4   20.4 203 b:3.9+1 .77 4.8                   SNZO
      eS      03:39:49.61  S res = -20.5X
 RPZ  eP      03:36:57.91  -1.0   23.8 206 b:9.6+0 .57 4.6                   RPZ 
 ARMA eP      03:38:01.32   0.3   30.7 249 b:1.4+1 .95 4.8                   ARMA
 EIDS eP      03:38:03.32  -0.5   31.0 258 b:4.6+1 1.2 5.2                   EIDS
 CTAO eP      03:38:48.09   0.0   36.1 267 b:8.1+1 .60 5.8                   CTAO
 PMG  eP      03:39:09.03  -0.3   38.6 284 b:1.4+2 .90 5.7                   PMG 
 STKA eP      03:39:15.24  -0.5   39.4 247 b:3.8+1 2.8 4.6                   STKA
 AS31 eP      03:40:14.87  -0.7   46.7 258                                   AS31
 FORT eP      03:40:46.86  -1.1   51.0 248                                   FORT
 GUMO eP      03:41:06.48   0.3   53.4 309                                   GUMO
 VNDA eP      03:41:23.99   0.9   55.9 186 b:9.3+0 .82 4.9                   VNDA
      ePcP    03:42:22.98   1.2X
 SBA  eP      03:41:24.38   2.1   55.8 185                                   SBA 
      ePcP    03:42:22.87   1.6X
 NWAO eP      03:41:51.78   0.0   59.8 244 b:3.3+0 .55 4.7                   NWAO
 MBWA eP      03:41:52.74  -0.8   60.1 258 b:2.2+1 .76 5.4                   MBWA
 CASY eP      03:42:11.44  -1.5   63.1 206 b:1.8+1 .90 5.2                   CASY
 QSPA eP      03:42:40.27   0.0   67.2 180 b:3.4+1 1.0 5.5                   QSPA
 MAJO eP      03:43:20.01  -0.1   73.7 322 b:1.5+1 .65 5.2                   MAJO
 JOW  eP      03:43:21.02   0.4   73.8 309 b:7.0+0 .90 4.7                   JOW 
 FX1  eP      03:43:32.89  -0.4   76.1 353                                   FX1 
 KSM  eP      03:43:36.72   0.2   76.5 277 b:7.9+0 .65 4.9                   KSM 
 ASAJ eP      03:43:40.79   1.5   77.1 330 b:9.4+0 .85 4.9                   ASAJ
 SSLB eP      03:43:41.16  -1.3   77.6 302 b:1.6+1 1.0 5.0                   SSLB
 TPUB eP      03:43:41.34  -1.1   77.6 302 b:4.3+1 .80 5.6                   TPUB
 YHNB eP      03:43:42.87  -0.4   77.7 303 b:2.3+1 .95 5.2                   YHNB
 KIPM eP      03:43:45.64  -2.7   78.7  38 b:1.7+1 1.3 4.9                   KIPM
 ISA  eP      03:43:49.95  -0.3   79.0  44 b:2.1+1 1.4 5.0                   ISA 
 PEA0BeP      03:43:50.92   0.0   79.3 344                                   PEA0
 CMB  eP      03:43:51.47  -0.3   79.3  41 b:1.3+1 .90 4.9                   CMB 
 KHMM eP      03:43:52.17   0.6   79.3  37 b:1.2+1 .94 4.9                   KHMM
 WDC  eP      03:43:53.60  -0.3   79.7  38 b:2.6+1 1.1 5.1                   WDC 
 KRMB eP      03:43:54.06   0.7   79.6  36 b:1.0+1 1.1 4.7                   KRMB
 GSC  eP      03:43:54.80  -0.1   79.9  45 b:4.3+0 .80 4.5                   GSC 
      e       03:44:10.23   7.8X
 YBH  eP      03:43:57.47  -0.2   80.4  37 b:1.0+1 .83 4.9                   YBH 
 BEKR eP      03:43:58.65   0.2   80.5  40 b:1.1+1 1.5 4.6                   BEKR
 WCN  eP      03:43:58.70   0.3   80.5  40 b:1.4+1 1.0 4.9                   WCN 
 NV11 eP      03:44:00.56  -0.1   80.9  42                                   NV11
      e       03:44:16.37   9.3X
 HUMO eP      03:44:00.58   0.7   80.9  36 b:1.2+1 1.0 4.8                   HUMO
      e       03:44:15.64   9.2X
 TUC  eP      03:44:06.82  -0.9   82.3  50 b:1.1+1 1.1 4.8                   TUC 
      e       03:44:23.75   9.6X
 BMN  eP      03:44:10.53   0.4   82.7  41 b:1.5+1 1.3 5.0                   BMN 
      e       03:44:26.44   9.9X
 WVOR eP      03:44:12.05  -0.2   83.2  38 b:1.6+1 1.1 5.1                   WVOR
      e       03:44:27.91   9.3X
 CCUT eP      03:44:14.17   0.3   83.4  45 b:2.2+1 1.1 5.2                   CCUT
      e       03:44:29.80   9.5X
 NLWA eP      03:44:14.22  -0.3   83.7  32 b:4.8+1 1.6 5.5                   NLWA
 ELK  eP      03:44:16.87  -0.5   84.1  41 b:1.0+1 1.1 4.9                   ELK 
 LON  eP      03:44:17.44  -0.2   84.3  34 b:6.5+0 .88 4.9                   LON 
 MVU  eP      03:44:21.16   0.7   84.7  44 b:2.3+1 1.1 5.3                   MVU 
      e       03:44:36.89  10.0X
 SNAA eP      03:44:23.34  -0.7   85.6 178 b:3.2+1 1.0 5.5                   SNAA
      e       03:44:39.83   9.3X
 BMO  eP      03:44:23.42  -0.2   85.4  37 b:3.9+0 .95 4.6                   BMO 
 MFID eP      03:44:23.56   0.1   85.4  39 b:2.7+1 .60 5.6                   MFID
 MNTX eP      03:44:25.44  -0.5   85.9  53 b:1.2+1 1.0 5.0                   MNTX
      e       03:44:41.52   9.1X
 LAZ  eP      03:44:27.08   0.5   86.0  50 b:9.7+0 1.1 4.9                   LAZ 
      e       03:44:43.07  10.0X
 LPM  eP      03:44:27.95  -0.2   86.3  50 b:2.1+0 .54 4.6                   LPM 
      e       03:44:44.34   9.7X
 BNM  eP      03:44:27.97   0.2   86.2  51 b:7.8+0 1.0 4.8                   BNM 
 HLID eP      03:44:28.40   0.3   86.3  39 b:7.3+0 1.3 4.7                   HLID
 DAU  eP      03:44:29.22   0.3   86.4  43 b:9.5+0 1.2 4.9                   DAU 
 IPM  eP      03:44:29.22   1.1   86.2 277 b:3.5+1 .70 5.7                   IPM 
 PV10 eP      03:44:29.92  -0.5   86.7  46 b:3.3+1 .68 5.7                   PV10
 PMR  eP      03:44:29.98   0.9   86.7  12 b:1.9+1 1.2 5.2                   PMR 
 ANMO eP      03:44:30.30   0.0   86.7  50 b:1.9+1 1.1 5.2                   ANMO
      e       03:44:46.20   9.4X
 PV01 eP      03:44:30.75  -0.6   86.9  46 b:5.5+2 1.1 6.7X                  PV01
 GDL2 eP      03:44:31.09   0.1   86.9  53 b:5.4+0 .84 4.8                   GDL2
      e       03:44:46.77   9.3X
 KULM eP      03:44:32.53   1.4   86.8 277                                   KULM
 TRF  eP      03:44:35.67  -0.9   88.2  11 b:1.2+1 .82 5.3                   TRF 
 SKAG eP      03:44:37.29   0.6   88.2  19 b:8.0+0 1.0 5.0                   SKAG
 TPAW eP      03:44:37.65  -0.3   88.3  41 b:4.7+0 1.0 4.7                   TPAW
 MCK  eP      03:44:38.64  -0.1   88.7  11 b:1.7+1 1.0 5.3                   MCK 
 SMCO eP      03:44:38.71  -0.5   88.5  46 b:8.8+0 1.0 5.0                   SMCO
 BW06 eP      03:44:39.36  -0.7   88.8  42 b:2.7+0 1.0 4.5                   BW06
 CHMT eP      03:44:40.07  -0.6   88.9  37 b:7.3+0 1.4 4.8                   CHMT
 DOT  eP      03:44:43.60   0.7   89.5  13 b:1.8+1 1.0 5.3                   DOT 
 WALA eP      03:44:44.61  -0.1   89.8  35 b:3.3-1 1.1 3.5X                  WALA
 COLA eP      03:44:44.64   0.2   89.9  11 b:1.5+1 1.0 5.2                   COLA
 GCMT eP      03:44:47.96   0.7   90.4  39                                   GCMT
 EGAK eP      03:44:50.97   0.6   91.2  14 b:1.3+1 1.0 5.2                   EGAK
 RSSD eP      03:44:58.75  -0.5   92.9  43 b:1.2+1 1.2 5.2                   RSSD
 MK31 ePKPdf  03:50:26.68   0.1  114.8 312                                   MK31
 SUW  ePKPbc  03:51:25.56   0.2  146.0 341                                   SUW 
 AK02 ePKPbc  03:51:25.81  -1.0  146.4 332                                   AK02
 AK01 ePKPbc  03:51:26.52  -0.2  146.4 332                                   AK01
 KIEV ePKPbc  03:51:26.56  -0.2  146.4 332                                   KIEV
 KWP  ePKPbc  03:51:36.55   0.6  149.8 337                                   KWP 
 BR131ePKPbc  03:51:37.89  -0.1  150.5 311                                   BR13
 MORC ePKPbc  03:51:38.86  -0.7  151.4 343                                   MORC
 BUR08ePKPbc  03:51:39.61   2.0  150.4 332                                   BUR0
 ANTO ePKPbc  03:51:40.80   1.7  151.0 312                                   ANTO
 CSS  ePKPbc  03:51:42.66   0.0  152.5 302                                   CSS 
 KHC  ePKPbc  03:51:43.80   0.7  152.9 348                                   KHC 



 Generated 2009 JUN  8 at 06:09 UTC

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


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