Phase Data

Explanation of Parameters


     20 JAN 2013  ( 20)

     ot  = 13:47:40.12   +/-   0.15              TONGA                           
     lat =     -16.750   +/-    4.0
     lon =    -173.495   +/-    4.4              MAGNITUDE 4.6 (GS)       
     dep =        10.0  (geophysicist)

     93 km (57 miles) SSE of Hihifo, Tonga (pop 2,000)
     216 km (134 miles) NNE of Neiafu, Tonga
     517 km (321 miles) NNE of NUKU`ALOFA, Tonga
     2510 km (1559 miles) NNE of Auckland, New Zealand

     nph =   91 of  94    se = 0.59    FE=173                            A   

     error ellipse = (130.1,  0.0,  6.7;220.1,  0.0,  3.9;  0.0,  0.0,  0.0)

 mb = 4.6 ( 71)  ML = 5.2 (  1)  mblg = 4.0 (  1)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 NIUE ePn     13:48:43.59   0.6    4.1 125 L:4.3+0 .90 5.2  g:4.2-1 .82 4.0  NIUE
 MSVF e       13:49:51.15  12.7X   8.1 262                                   MSVF
 RAO  ePn     13:50:42.66  -3.5X  13.1 197                                   RAO 
 RAR  ePn     13:50:53.06  -1.7   13.7 111                                   RAR 
 KNTN ePn     13:50:53.90  -4.8X  14.0   7                                   KNTN
 DZM  eP      13:52:10.18   0.9   19.6 251 b:1.1+1 .90 4.2                   DZM 
 URZ  eP      13:52:43.99  -0.7   23.0 199 b:3.2+1 .60 5.0                   URZ 
 BKZ  eP      13:52:54.75  -0.2   24.0 199 b:5.6+1 1.6 4.9                   BKZ 
 SNZO eP      13:53:17.77   0.0   26.5 200                                   SNZO
 LTZ  eP      13:53:38.27   1.2   28.7 202 b:4.1+1 .60 5.4                   LTZ 
 OXZ  eP      13:53:43.39   1.4   29.2 202 b:2.5+1 .64 5.2                   OXZ 
 STKA eP      13:55:42.14  -0.2   43.3 241 b:3.3+0 1.1 4.0                   STKA
 AS01 eP      13:56:30.30  -1.5   49.6 253                                   AS01
 AS31 eP      13:56:30.62  -1.5   49.6 253 b:8.9+0 .60 4.9                   AS31
 ISA  eP      13:59:13.48  -0.9   73.7  44 b:4.4+0 1.0 4.4                   ISA 
 AFDM eP      13:59:15.56  -0.7   74.0  40 b:2.7+0 .98 4.2                   AFDM
 GSC  eP      13:59:19.51  -0.2   74.6  45 b:3.7+0 1.1 4.3                   GSC 
 WAKR eP      13:59:20.76   0.3   74.7  41 b:2.9+0 .86 4.3                   WAKR
 YBH  eP      13:59:20.83   0.5   74.7  37 b:8.8+0 1.3 4.6                   YBH 
 BEKR eP      13:59:22.16   0.3   75.0  40 b:5.2+0 1.1 4.5                   BEKR
 PNTR eP      13:59:22.18   0.3   75.0  41 b:5.0+0 .96 4.5                   PNTR
 VCNR eP      13:59:22.95   0.5   75.1  40 b:3.8+0 .94 4.4                   VCNR
 YERR eP      13:59:23.07   0.2   75.1  41 b:3.1+0 .82 4.4                   YERR
 MOD  eP      13:59:29.11   0.0   76.2  38 b:6.8+0 1.1 4.7                   MOD 
 SHPR eP      13:59:30.48   0.5   76.4  45 b:3.0+0 .88 4.4                   SHPR
 Y14A eP      13:59:30.73   0.0   76.5  48 b:3.8+0 .80 4.5                   Y14A
 H04A eP      13:59:32.47  -0.2   76.9  35 b:8.8+0 1.3 4.7                   H04A
 PINE eP      13:59:33.74   0.1   77.0  36 b:8.7+0 1.0 4.8                   PINE
 R11A eP      13:59:34.14   0.0   77.1  43 b:9.3+0 1.9 4.5                   R11A
 WVOR eP      13:59:36.61   0.2   77.5  38 b:4.1+0 1.0 4.5                   WVOR
 LCMT eP      13:59:39.06   0.3   77.9  45 b:2.7+0 .88 4.3                   LCMT
 X16A eP      13:59:39.07   0.5   77.9  48 b:3.1+0 .85 4.4                   X16A
 I07A eP      13:59:39.49   0.4   78.0  37 b:2.7+0 .85 4.4                   I07A
 J08A eP      13:59:39.62  -0.4   78.2  38 b:6.6+0 1.1 4.6                   J08A
 CCUT eP      13:59:40.59   0.6   78.1  45 b:6.0+0 1.1 4.6                   CCUT
 KNB  eP      13:59:40.74   0.3   78.2  45 b:7.4+0 1.3 4.6                   KNB 
 PSUT eP      13:59:41.01  -0.1   78.3  44 b:4.9+0 .72 4.7                   PSUT
 SZCU eP      13:59:41.11  -0.1   78.4  45 b:3.0+0 .88 4.4                   SZCU
 U15A eP      13:59:41.20   0.3   78.3  46 b:4.9+0 1.1 4.5                   U15A
 D05A eP      13:59:41.60  -0.5   78.6  33 b:1.1+1 .90 4.9                   D05A
 ELK  eP      13:59:42.69  -0.1   78.7  41 b:3.8+0 .90 4.4                   ELK 
 G08A eP      13:59:44.71  -0.1   79.1  36 b:5.5+0 .95 4.6                   G08A
 PKCU eP      13:59:45.05   1.3   78.8  45 b:1.5+1 1.2 4.9                   PKCU
 MTPU eP      13:59:46.68   0.7   79.2  45 b:5.6+0 .98 4.5                   MTPU
 MSU  eP      13:59:48.04   0.9   79.4  44                                   MSU 
 E08A eP      13:59:48.51   0.2   79.7  35 b:7.5+0 1.3 4.5                   E08A
 MFID eP      13:59:48.65  -0.1   79.8  39 b:4.3+0 .95 4.4                   MFID
 DUG  eP      13:59:49.05  -0.5   79.9  43 b:5.6+0 1.2 4.4                   DUG 
 D08A eP      13:59:50.66   0.1   80.2  34 b:6.7+0 .95 4.6                   D08A
 E09A eP      13:59:51.01  -0.1   80.3  35 b:2.8+1 2.0 4.9                   E09A
 F10A eP      13:59:51.81  -0.5   80.5  36 b:8.3+0 .90 4.7                   F10A
 Q16A eP      13:59:52.41   0.5   80.3  44 b:4.1+0 .94 4.4                   Q16A
 B08A eP      13:59:53.18  -0.5   80.7  33 b:3.4+0 .80 4.4                   B08A
 HVU  eP      13:59:53.40  -0.8   80.8  41 b:7.2+0 1.2 4.6                   HVU 
 TMUT eP      13:59:53.66   0.7   80.5  44 b:6.7+0 .82 4.7                   TMUT
 HLID eP      13:59:53.94   0.1   80.7  39 b:5.5+0 .90 4.6                   HLID
 C09A eP      13:59:54.78  -0.1   81.0  34 b:4.5+0 .70 4.6                   C09A
 MNTX eP      13:59:55.96   0.0   81.1  53 b:2.5+0 .85 4.3                   MNTX
 TCUT eP      13:59:57.23   0.1   81.3  42 b:9.7+0 .86 4.9                   TCUT
 PV03 eP      13:59:57.59  -1.0   81.6  46                                   PV03
 TX31 eP      13:59:57.97   0.1   81.4  56                                   TX31
 PV11 eP      13:59:57.97  -0.7   81.6  46 b:1.4+1 1.3 4.9                   PV11
 PV09 eP      13:59:58.35   0.0   81.5  46                                   PV09
 PV13 eP      13:59:58.51   0.0   81.6  46 b:6.6+0 1.1 4.6                   PV13
 PV12 eP      13:59:58.62  -0.3   81.6  46 b:1.8+1 1.3 5.0                   PV12
 ANMO eP      13:59:59.10  -0.4   81.7  50 b:2.0+0 .75 4.3                   ANMO
 MCMT eP      14:00:02.36  -0.2   82.4  39                                   MCMT
 REDW eP      14:00:04.99   0.0   82.8  41 b:7.4+0 1.2 4.7                   REDW
 DLMT eP      14:00:05.00   0.3   82.8  38 b:4.6+0 .80 4.7                   DLMT
 TPAW eP      14:00:05.13   0.1   82.8  41 b:5.4+0 .85 4.7                   TPAW
 FXWY eP      14:00:05.17   0.0   82.8  40 b:3.3+0 1.0 4.5                   FXWY
 S22A eP      14:00:05.19   0.3   82.7  47 b:8.9+0 .85 5.0                   S22A
 IMW  eP      14:00:06.08  -0.1   83.0  40 b:5.1+0 .80 4.8                   IMW 
 LOHW eP      14:00:06.29  -0.1   83.1  41 b:4.3+0 1.2 4.5                   LOHW
 PDAR eP      14:00:07.01  -0.6   83.3  42                                   PDAR
 PD31 eP      14:00:07.13  -0.5   83.3  42                                   PD31
 BW06 eP      14:00:07.30  -0.4   83.3  42 b:4.1+0 .70 4.7                   BW06
 QLMT eP      14:00:07.40   0.4   83.2  39                                   QLMT
 FLWY eP      14:00:07.58   0.2   83.3  40 b:8.2+0 .90 4.9                   FLWY
 SMCO eP      14:00:07.59  -0.3   83.3  46 b:4.1+0 .95 4.6                   SMCO
 YHB  eP      14:00:08.26   0.7   83.3  39 b:1.1+1 .92 5.1                   YHB 
 ILB  eP      14:00:08.63  -0.5   83.8  11                                   ILB 
 IL1  eP      14:00:08.75  -0.4   83.8  11                                   IL1 
 YMR  eP      14:00:08.77   0.7   83.4  40 b:6.1+0 .78 4.9                   YMR 
 H17A eP      14:00:09.85   1.2   83.5  40 b:4.7+0 .80 4.7                   H17A
 HRY  eP      14:00:10.40  -0.3   84.0  38                                   HRY 
 AMTX eP      14:00:16.77  -0.7   85.3  52 b:7.1+0 .75 5.0                   AMTX
 ABTX eP      14:00:20.18  -0.5   85.9  54 b:1.4+1 .85 5.2                   ABTX
 SPMN eP      14:01:04.35  -0.3   95.3  44 b:7.2+1 .30 6.6X                  SPMN
 FCC  eP      14:01:20.02   0.2   98.8  31 b:1.7+1 1.7 5.4                   FCC 
 BUR04ePKPdf  14:07:19.42   0.5  145.6 337                                   BUR0
 BUR08ePKPdf  14:07:19.51   0.7  145.6 337                                   BUR0
 KHC  ePKPbc  14:07:23.04  -0.6  147.2 351                                   KHC 
 FUORNePKPbc  14:07:31.36  -0.1  150.1 355                                   FUOR



 Generated 2013 JAN 20 at 14:55 UTC

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