Phase Data

Explanation of Parameters


     25 FEB 2013  ( 56)

     ot  = 03:56:15.21   +/-   0.38              TONGA                           
     lat =     -15.483   +/-   11.3
     lon =    -175.972   +/-    7.7              MAGNITUDE 4.8 (GS)       
     dep =        10.0  (geophysicist)

     243 km (151 miles) WNW of Hihifo, Tonga
     244 km (151 miles) S of MATA'UTU, Ile Uvea, Wallis and Futuna
     630 km (391 miles) N of NUKU`ALOFA, Tonga
     2539 km (1577 miles) NNE of Auckland, New Zealand

     nph =  130 of 138    se = 1.29    FE=173                            B   

     error ellipse = (157.6,  0.0, 15.6; 67.6,  0.0,  8.8;  0.0,  0.0,  0.0)

 mb = 4.8 (100)  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
 NIUE ePn     03:57:54.12  -0.9    6.8 123 L:9.1-1 4.6 5.1X                  NIUE
 OUENCeP      04:00:22.42   1.1   17.7 244 b:1.7+2 1.1 5.1                   OUEN
 DZM  ePn     04:00:29.44   5.1X  17.9 246 b:2.9+1 .90 4.4                   DZM 
 COEN eP      04:03:46.72   0.3   39.5 267 b:1.7+1 1.1 4.6                   COEN
 TOO  eP      04:03:55.24   0.7   40.5 230 b:3.6+1 1.1 5.0                   TOO 
 STKA eP      04:04:03.87  -1.8   41.9 239 b:3.6+0 1.0 4.0                   STKA
 AS01 eP      04:04:48.79  -3.6X  47.7 252                                   AS01
 AS31 eP      04:04:50.17  -2.5   47.7 252 b:1.9+0 .80 4.2                   AS31
 PETK eP      04:07:37.82  -1.1   72.0 344                                   PETK
 KS01 eP      04:07:52.29  -2.0   74.5 317                                   KS01
 CMB  eP      04:07:53.54  -0.5   74.5  43 b:6.2+0 1.0 4.6                   CMB 
 AFDM eP      04:07:53.71  -1.1   74.6  41 b:7.2+0 1.1 4.6                   AFDM
 ISA  eP      04:07:55.39   1.4   74.5  45                                   ISA 
 ORV  eP      04:07:55.82   0.9   74.6  41 b:4.4+0 1.1 4.4                   ORV 
 YBH  eP      04:07:57.29  -0.8   75.2  38 b:1.2+1 1.0 4.9                   YBH 
 WAKR eP      04:07:58.43  -0.9   75.4  43 b:8.0+0 .98 4.7                   WAKR
 BEKR eP      04:07:58.96  -1.3   75.5  41 b:1.1+1 1.1 4.8                   BEKR
 MDPB eP      04:07:59.14   1.1   75.1  43 b:7.7+0 1.0 4.7                   MDPB
 OMMB eP      04:07:59.55   1.2   75.2  44 b:3.6+0 .96 4.4                   OMMB
 PNTR eP      04:07:59.55  -1.1   75.6  42 b:1.3+1 .92 5.0                   PNTR
 YERR eP      04:08:00.33  -1.3   75.8  42 b:1.2+1 1.1 4.9                   YERR
 GSC  eP      04:08:00.89   1.2   75.4  47 b:6.0+0 1.1 4.6                   GSC 
      ePcP    04:08:11.29  -1.5X
 NV01 eP      04:08:01.65  -1.8   76.1  43                                   NV01
 RYN  eP      04:08:01.85  -1.3   76.0  43 b:1.0+1 1.1 4.8                   RYN 
 NV11 eP      04:08:02.15  -1.7   76.2  43 b:8.0-1 1.1 3.7X                  NV11
 VCNR eP      04:08:02.31   1.2   75.7  42 b:1.1+1 1.1 4.8                   VCNR
 PAHR eP      04:08:02.52  -0.8   76.1  42 b:1.1+1 1.2 4.8                   PAHR
 KVN  eP      04:08:04.69  -1.3   76.5  43 b:8.3+0 1.1 4.7                   KVN 
 MOD  eP      04:08:05.76  -1.3   76.7  39 b:7.7+0 1.0 4.7                   MOD 
 113A eP      04:08:06.52   1.6   76.4  50 b:6.0+0 .85 4.7                   113A
 TPNV eP      04:08:07.62   0.8   76.7  45 b:5.4+0 .95 4.6                   TPNV
 PINE eP      04:08:10.06  -1.0   77.5  37 b:1.7+1 1.0 5.1                   PINE
 Y14A eP      04:08:10.40  -0.9   77.5  49 b:7.1+0 .95 4.7                   Y14A
 SHPR eP      04:08:11.19   1.4   77.2  46 b:3.1+0 .94 4.4                   SHPR
 R11A eP      04:08:12.27  -1.1   77.8  44 b:2.5+0 1.1 4.2                   R11A
 WVOR eP      04:08:15.00   0.6   78.1  40 b:4.8+0 1.0 4.5                   WVOR
 TUC  eP      04:08:16.03  -0.3   78.4  52 b:1.3+1 1.1 4.9                   TUC 
 I07A eP      04:08:17.65   1.0   78.5  38 b:7.9+0 1.1 4.7                   I07A
 SZCU eP      04:08:18.25  -2.5   79.2  46 b:5.2+0 .70 4.7                   SZCU
 X16A eP      04:08:18.57  -0.4   78.8  50 b:1.1+1 .95 4.9                   X16A
 J08A eP      04:08:18.72   0.9   78.7  39 b:8.5+0 1.1 4.7                   J08A
 GAMB eP      04:08:19.44   0.1   79.1   2 b:7.4+0 .96 4.7                   GAMB
 SUA  eP      04:08:19.88  -0.8   79.3  12 b:1.2+1 .80 4.9                   SUA 
 ELK  eP      04:08:19.90  -1.5   79.3  42 b:5.4+0 1.0 4.5                   ELK 
 G08A eP      04:08:20.00  -2.1   79.5  37 b:8.6+0 1.1 4.6                   G08A
 U15A eP      04:08:20.22  -0.6   79.2  47 b:7.7+0 1.1 4.6                   U15A
 319A eP      04:08:20.25  -0.2   79.1  53 b:1.2+1 1.0 4.9                   319A
 PSUT eP      04:08:20.86   0.5   79.1  45 b:5.0+0 .90 4.5                   PSUT
 KNB  eP      04:08:21.62   1.4   79.1  47 b:6.7+0 1.1 4.6                   KNB 
 WUAZ eP      04:08:23.75   1.7   79.4  49 b:6.6+0 1.0 4.6                   WUAZ
 E07A eP      04:08:24.02   0.9   79.7  36 b:8.2+0 1.1 4.6                   E07A
 BMO  eP      04:08:24.07  -2.0   80.2  38 b:6.1+0 1.1 4.5                   BMO 
 HAWA eP      04:08:24.42   0.8   79.8  36                                   HAWA
 ANM  eP      04:08:25.84   0.3   80.2   5 b:6.3+0 1.2 4.5                   ANM 
 MTPU eP      04:08:27.21   1.7   80.0  46 b:2.8+0 .98 4.2                   MTPU
 X18A eP      04:08:27.25   2.0   80.0  50 b:5.1+0 .90 4.5                   X18A
 MSU  eP      04:08:28.43   1.8   80.2  46                                   MSU 
 DUG  eP      04:08:28.72   0.2   80.6  44 b:5.8+0 1.1 4.5                   DUG 
 E09A eP      04:08:28.80   0.6   80.6  36 b:4.1+0 .85 4.5                   E09A
 F10A eP      04:08:29.40  -0.2   80.9  37 b:5.5+0 1.0 4.5                   F10A
 B08A eP      04:08:29.87  -0.5   81.0  34 b:5.1+0 1.1 4.4                   B08A
 HLID eP      04:08:30.75  -1.2   81.3  40 b:6.5+0 .95 4.7                   HLID
 RND  eP      04:08:31.62  -0.4   81.4  12 b:1.9+1 1.1 5.1                   RND 
 TRF  eP      04:08:32.77   1.9   81.2  11 b:1.5+1 .96 5.0                   TRF 
 MCK  eP      04:08:32.78  -0.7   81.7  12 b:1.5+1 1.1 5.0                   MCK 
 HVU  eP      04:08:33.69   0.9   81.4  42 b:8.6+0 1.1 4.7                   HVU 
 TCUT eP      04:08:34.84  -1.1   82.0  44 b:2.8+1 1.0 5.3                   TCUT
 JLU  eP      04:08:35.61   1.1   81.7  44 b:5.2+0 1.1 4.5                   JLU 
 LAZ  eP      04:08:35.79  -0.4   82.0  51                                   LAZ 
 MLY  eP      04:08:36.72  -1.2   82.5  11 b:1.0+1 1.0 4.9                   MLY 
 PV17 eP      04:08:36.75  -1.2   82.4  47 b:5.4+0 1.0 4.6                   PV17
 WRH  eP      04:08:37.18  -0.6   82.5  12 b:1.5+1 1.1 5.0                   WRH 
 IL1  eP      04:08:38.24  -2.2   83.0  12                                   IL1 
 TX31 eP      04:08:38.60  -1.2   82.7  57                                   TX31
      eP      04:08:39.10  -0.7X
 IM3  eP      04:08:38.79  -1.0   82.9   9                                   IM3 
 MNTX eP      04:08:38.92   1.6   82.3  54 b:1.3+1 1.1 4.9                   MNTX
 ANMO eP      04:08:39.03  -0.9   82.8  51 b:1.2+1 1.1 5.0                   ANMO
 MDM  eP      04:08:39.06  -0.9   82.9  12                                   MDM 
 COLA eP      04:08:39.26  -0.6   82.9  12 b:2.3+1 1.0 5.3                   COLA
 PV13 eP      04:08:39.39   1.2   82.4  47 b:7.5+0 1.1 4.7                   PV13
 BNM  eP      04:08:39.60   1.9   82.3  52                                   BNM 
 MCMT eP      04:08:39.62  -0.9   82.9  40                                   MCMT
 HDA  eP      04:08:39.98   1.3   82.7  12 b:1.3+1 .96 5.1                   HDA 
 PV01 eP      04:08:40.04   1.0   82.6  47 b:6.3+0 1.0 4.7                   PV01
 ILB  eP      04:08:40.12  -0.3   83.0  12                                   ILB 
 PV15 eP      04:08:40.95   1.1   82.7  47 b:1.5+1 1.1 5.0                   PV15
 TPAW eP      04:08:41.04  -2.3   83.4  42 b:6.4+0 .95 4.8                   TPAW
 DLMT eP      04:08:41.51  -1.0   83.3  39 b:1.3+1 1.1 5.0                   DLMT
 FXWY eP      04:08:43.06  -0.4   83.5  41 b:3.4+0 1.0 4.5                   FXWY
 S22A eP      04:08:43.47  -1.2   83.7  48 b:8.2+0 .95 4.9                   S22A
 PDAR eP      04:08:43.69  -2.5   84.0  43                                   PDAR
 BW06 eP      04:08:43.88  -2.3   84.0  43 b:4.3+0 .90 4.7                   BW06
 PD31 eP      04:08:44.15  -2.1   84.0  43                                   PD31
 REDW eP      04:08:44.19   0.9   83.4  42 b:1.2+1 1.1 5.0                   REDW
 YHB  eP      04:08:44.87  -0.7   83.9  40 b:1.4+1 1.1 5.1                   YHB 
 RDOG eP      04:08:44.90   0.3   83.8   5 b:6.1+0 .92 4.8                   RDOG
 PRP  eP      04:08:45.08  -0.3   84.0  12 b:7.4+0 .84 4.9                   PRP 
 SNOW eP      04:08:45.09   1.2   83.5  42 b:1.7+1 1.1 5.2                   SNOW
 O20A eP      04:08:45.10   0.4   83.7  46 b:8.3+0 1.0 4.9                   O20A
 MOOW eP      04:08:45.14   0.6   83.7  41 b:4.4+0 1.1 4.6                   MOOW
 LOHW eP      04:08:45.54   0.8   83.7  42 b:5.1+0 1.1 4.6                   LOHW
 DAWY eP      04:08:45.79  -0.4   84.1  15 b:1.3+1 1.0 5.1                   DAWY
 BILL eP      04:08:46.03  -0.7   84.3 353 b:8.0+0 1.0 4.9                   BILL
 EGAK eP      04:08:46.81  -0.1   84.3  14 b:7.0+0 .95 4.9                   EGAK
 FLWY eP      04:08:46.86   1.3   83.9  41 b:1.4+1 1.0 5.1                   FLWY
 YHH  eP      04:08:47.39   0.5   84.1  40 b:4.7+0 1.1 4.6                   YHH 
 LNIG eP      04:08:47.43  -2.2   84.7  62 b:7.4+0 1.0 4.9                   LNIG
 LKWY P       04:08:47.69   0.0   84.3  41 b:1.5+1 1.1 5.1                   LKWY
 YMR  eP      04:08:47.81   1.7   84.0  41 b:1.8+1 1.0 5.2                   YMR 
 SMCO eP      04:08:47.94   0.6   84.2  47 b:7.7+0 1.0 4.9                   SMCO
 YPP  eP      04:08:48.10   2.4   83.9  41                                   YPP 
 H17A eP      04:08:48.82   2.1   84.1  41 b:9.1+0 1.1 4.9                   H17A
 HRY  eP      04:08:48.94   0.7   84.4  38                                   HRY 
 COLD eP      04:08:49.92   1.4   84.6  10 b:9.3+0 1.2 4.9                   COLD
 RLMT eP      04:08:53.55   1.0   85.3  41 b:8.4+0 1.1 4.8                   RLMT
 MSTX eP      04:08:53.82   1.6   85.2  53                                   MSTX
 N23A eP      04:08:56.10   1.7   85.6  46 b:7.3+0 1.0 4.8                   N23A
 TOLK eP      04:08:57.90   2.4   86.0   9 b:1.3+1 1.1 5.0                   TOLK
 EPYK eP      04:08:58.45  -0.3   86.7  15 b:7.0+0 1.0 4.8                   EPYK
 LAO  eP      04:09:06.42   1.4   87.9  40 b:6.4+0 .90 4.9                   LAO 
 DGMT eP      04:09:17.67   3.4X  89.8  39 b:1.3+1 1.0 5.1                   DGMT
 CM01 eP      04:09:17.94   1.0   90.3 289                                   CM01
 YKB5 eP      04:09:18.99  -1.1   91.2  24                                   YKB5
 ULN  eP      04:09:30.79   2.3   92.9 319 b:3.6+0 1.0 4.7                   ULN 
 SONA1eP      04:09:31.73   1.4   93.3 319                                   SONA
 FIA1 ePKPdf  04:15:24.27  -3.4X 131.5 346                                   FIA1
 AK11 ePKPpre 04:15:36.02  -6.9X 139.5 335                                   AK11
 KHC  ePKPdf  04:15:53.16  -0.7  145.5 349                                   KHC 
 GEA0 ePKPdf  04:15:53.47  -0.9  145.8 349                                   GEA0
 ANTO ePKPbc  04:15:53.78   1.0  145.1 320                                   ANTO
 GEC2 ePKPdf  04:15:54.86   0.5  145.8 349                                   GEC2
 BFO  ePKPdf  04:15:58.90   2.5  147.1 355                                   BFO 
 VTS  ePKPbc  04:16:01.89  -0.4  148.4 332                                   VTS 
 FUORNePKPbc  04:16:02.26  -0.5  148.5 352                                   FUOR
 TOA0 ePKPdf  04:16:27.75   0.9  176.8 135                                   TOA0
      ePKPab  04:18:10.12   1.0X



 Generated 2013 FEB 25 at 04:59 UTC

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