Phase Data

Explanation of Parameters


     11 MAY 2013  (131)

     ot  = 20:46:56.90   +/-   2.07              TONGA                           
     lat =     -17.944   +/-    9.9
     lon =    -175.075   +/-    8.4              MAGNITUDE 6.5 (GS)       
     dep =       205.4   +/-    8.4   

     139 km (86 miles) NW of Neiafu, Tonga (pop 3,000)
     262 km (163 miles) SSW of Hihifo, Tonga
     353 km (219 miles) N of NUKU`ALOFA, Tonga
     2320 km (1441 miles) NNE of Auckland, New Zealand

     nph =   84 of 110    se = 1.02    FE=173                            A   

     error ellipse = (140.0, 20.0, 16.6; 27.0, 45.0, 13.8;246.0, 36.0,  9.2)

 mb = 5.9 ( 70)  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     20:48:13.15   1.5    5.0 104                                   NIUE
      eSn     20:49:09.11  S res =  -1.5 
 FUNA ePn     20:49:30.30   2.7   10.9 329                                   FUNA
 RAO  ePn     20:49:36.22   0.4   11.6 193                                   RAO 
      eSn     20:51:41.56  S res =  -3.4 
 RAR  ePn     20:50:16.82   0.5   14.8 105                                   RAR 
 KNTN ePn     20:50:24.30   0.0   15.4  13 b:6.2+2 1.0 6.0                   KNTN
 MARNCeP      20:50:34.68   0.9   16.3 255 b:4.8+3 1.5 6.7                   MARN
 PINNCeP      20:50:43.39   1.4   17.0 251 b:6.4+2 .90 6.1                   PINN
 ONTNCeP      20:50:51.71   0.6   17.9 253 b:4.9+3 1.9 6.6                   ONTN
 DZM  eP      20:50:51.77   0.9   17.8 254 b:7.3+2 1.0 6.1                   DZM 
 OUZ  eP      20:51:14.39   1.2   19.9 208 b:1.0+3 1.2 6.2                   OUZ 
 MXZ  eP      20:51:20.21   2.2   20.4 195 b:1.8+2 .62 5.8                   MXZ 
      eS      20:54:55.59  S res =   0.7 
 URZ  eP      20:51:28.45   0.2   21.4 197 b:6.1+2 .76 6.2                   URZ 
 BKZ  eP      20:51:38.39   0.2   22.4 197 b:1.4+2 .76 5.6                   BKZ 
 HIZ  eP      20:51:38.45   1.1   22.3 201 b:3.0+3 1.5 6.6                   HIZ 
 TARA eP      20:51:39.42  -0.2   22.5 327 b:3.5+2 .85 6.0                   TARA
 BFZ  eP      20:51:52.17   0.6   23.9 197 b:4.8+2 .94 6.1                   BFZ 
      eS      20:55:57.47  S res =   5.2X
 PPTF eP      20:51:55.14  -0.6   24.3  93 b:1.2+3 1.1 6.4                   PPTF
 PPT  eP      20:51:56.15   0.5   24.3  93                                   PPT 
 SNZO eP      20:51:59.65  -1.1   24.9 199 b:3.6+2 .90 6.0                   SNZO
 HNR  eP      20:52:07.51  -0.7   25.7 286 b:7.1+2 .90 6.3                   HNR 
 THZ  eP      20:52:10.36   0.6   25.9 201 b:1.7+2 .82 5.8                   THZ 
 KHZ  eP      20:52:13.45   0.4   26.3 199 b:2.8+2 .86 6.0                   KHZ 
 XMAS eP      20:52:14.76   0.2   26.4  43 b:3.3+2 .75 6.1                   XMAS
 LTZ  eP      20:52:19.00  -0.8   27.0 201 b:3.9+2 .90 6.1                   LTZ 
      eS      20:56:42.17  S res =   0.4X
 LHI  eP      20:52:20.54   0.5   27.0 235 b:3.3+2 1.0 6.0                   LHI 
 OXZ  eP      20:52:23.71  -1.0   27.5 201 b:4.8+2 1.0 6.2                   OXZ 
      eS      20:56:51.87  S res =   1.4X
 CRLZ eP      20:52:25.35   0.4   27.6 200 b:3.1+2 1.3 5.9                   CRLZ
 MQZ  eP      20:52:25.77  -0.1   27.7 199 b:9.5+1 .86 5.5                   MQZ 
 RPZ  eP      20:52:28.94  -1.8   28.2 202 b:1.1+2 .68 5.7                   RPZ 
 FOZ  eP      20:52:32.77  -0.5   28.5 203 b:3.1+2 1.1 5.9                   FOZ 
 LBZ  eP      20:52:37.37  -1.2   29.1 202 b:6.1+1 .88 5.3                   LBZ 
 ODZ  eP      20:52:42.39   0.1   29.5 201 b:2.0+2 1.6 5.6                   ODZ 
 WKZ  eP      20:52:45.56  -0.2   29.9 203 b:9.9+1 .88 5.5                   WKZ 
      eS      20:57:24.53  S res =  -3.3X
 MLZ  eP      20:52:52.15  -0.6   30.7 204 b:5.0+2 1.3 6.1                   MLZ 
 DCZ  eP      20:52:56.01  -0.6   31.2 205 b:3.5+2 .92 6.1                   DCZ 
 WHZ  eP      20:52:56.46  -0.7   31.2 203 b:9.5+2 1.2 6.4                   WHZ 
 KWAJ eP      20:52:59.92  -0.7   31.6 326 b:4.3+2 1.2 6.0                   KWAJ
 EIDS eP      20:53:05.21  -1.0   32.2 251 b:5.1+2 1.4 5.9                   EIDS
 ARMA eP      20:53:10.22   0.0   32.7 241 b:2.5+2 .65 6.0                   ARMA
 RABL eP      20:53:26.68  -2.2   34.8 289 b:2.7+2 .45 6.2                   RABL
 TAOE eP      20:53:29.42  -1.7   35.1  80 b:4.4+2 1.5 5.8                   TAOE
 PATS eP      20:53:38.47  -0.2   36.0 311 b:1.7+2 1.2 5.6                   PATS
      ePcP    20:56:02.76   2.2 
 CAN  eP      20:53:39.43  -1.0   36.2 234 b:2.7+2 1.2 5.7                   CAN 
 CTAO eP      20:53:42.86  -0.6   36.6 260 b:2.5+2 .75 5.9                   CTAO
 PMG  eP      20:53:52.25   0.1   37.6 278 b:4.7+2 .90 6.1                   PMG 
 TOO  eP      20:54:07.87  -0.9   39.6 232 b:3.2+2 1.0 5.8                   TOO 
 MANU eP      20:54:12.92   0.1   40.1 289 b:1.6+3 1.9 6.2                   MANU
 COEN eP      20:54:13.20  -1.2   40.3 269 b:3.7+2 .80 5.9                   COEN
 TAU  eP      20:54:13.66  -1.1   40.4 224 b:6.8+1 .85 5.2                   TAU 
 WAKE eP      20:54:20.96   0.0   41.1 333 b:4.8+2 .80 6.1                   WAKE
 STKA eP      20:54:23.17  -0.2   41.4 242 b:1.5+2 1.1 5.4                   STKA
 KHU  eP      20:54:24.84  -0.5   41.6  28 b:4.4+2 1.4 5.8                   KHU 
 MCQ  eP      20:54:25.31   0.9   41.6 203 b:5.5+2 1.5 5.9                   MCQ 
 STCH eP      20:54:25.56  -2.3   42.0  29 b:4.2+2 .66 6.1                   STCH
 KHLU eP      20:54:25.87  -0.7   41.8  28 b:3.0+2 .96 5.8                   KHLU
 KKH  eP      20:54:25.87  -0.6   41.8  28                                   KKH 
 MLH  eP      20:54:26.59  -1.3   41.9  28 b:4.1+2 1.3 5.8                   MLH 
 PUH  eP      20:54:26.78  -0.7   41.9  29 b:3.9+2 1.1 5.8                   PUH 
 KKO  eP      20:54:26.92  -0.6   41.9  29 b:2.7+2 .88 5.8                   KKO 
 HUH  eP      20:54:27.28  -0.4   41.9  28 b:3.2+2 1.1 5.7                   HUH 
 HMH  eP      20:54:29.81   1.4X  42.0  28 b:5.3+2 1.0 6.0                   HMH 
 POHA eP      20:54:30.22   1.0   42.1  28 b:2.7+2 1.0 5.7                   POHA
 MHA  eP      20:54:32.62   2.0X  42.3  27                                   MHA 
 KEKH eP      20:54:32.90   1.3X  42.4  21 b:5.7+2 1.1 6.0                   KEKH
 LPH  eP      20:54:33.29   1.7X  42.4  28                                   LPH 
 HON  eP      20:54:33.65   1.8X  42.5  24 b:5.1+2 1.0 6.0                   HON 
 KIP  eP      20:54:33.83   1.3   42.5  24 b:5.9+2 1.1 6.0                   KIP 
 KHLH eP      20:54:35.59   1.7X  42.7  26 b:4.6+2 1.3 5.8                   KHLH
 OPA  eP      20:54:36.31   1.8X  42.8  24 b:3.7+2 1.5 5.7                   OPA 
 MIDW eP      20:55:00.91   1.6   45.9 357 b:3.2+2 1.0 5.7                   MIDW
 BBOO eP      20:55:01.22  -0.1X  46.2 242 b:5.3+2 .70 6.1                   BBOO
 WRAB eP      20:55:12.19  -1.3   47.7 259 b:5.3+2 1.0 5.9                   WRAB
 ASAR eP      20:55:12.54  -1.8   47.8 254                                   ASAR
 AS31 eP      20:55:13.90  -0.4X  47.8 254                                   AS31
 GUMO eP      20:55:34.99   1.0   50.4 306 b:1.8+2 .60 5.8                   GUMO
 ANA2 eP      20:55:43.55   1.7   51.5 309 b:9.6+2 1.7 6.1                   ANA2
 MTN  eP      20:55:44.59  -0.9X  52.0 268 b:4.0+2 .80 6.1                   MTN 
 FORT eP      20:55:51.09  -0.7X  52.9 245 b:4.0+2 .80 6.1                   FORT
 FAKI eP      20:55:57.46  -0.7X  53.7 280 b:5.5+1 .50 5.4                   FAKI
 FITZ eP      20:56:15.46  -0.2X  56.1 260                                   FITZ
 SOEI eP      20:56:38.11   0.7X  59.2 269                                   SOEI
 TNTI eP      20:56:39.26  -0.2X  59.6 282                                   TNTI
 PSA00eP      20:56:48.07  -0.8   61.0 255                                   PSA0
 VNDA eP      20:56:48.32   2.2   60.7 186                                   VNDA
 SBA  eP      20:56:48.43   3.0   60.6 184                                   SBA 
 MMRI eP      20:56:51.66  -0.7X  61.5 270                                   MMRI
 NWAO eP      20:56:55.63   0.1   62.0 242                                   NWAO
 MORW eP      20:57:04.02  -0.7   63.4 246                                   MORW
 LUWI eP      20:57:04.51   0.4X  63.3 278                                   LUWI
 DAV  eP      20:57:10.26   3.7   63.6 288                                   DAV 
 KAPI eP      20:57:14.30  -0.3   64.9 273                                   KAPI
 GIRL eP      20:57:22.62   1.3X  65.9 253                                   GIRL
 JHJ2 eP      20:57:25.74   0.5   66.6 320                                   JHJ2
 CASY eP      20:57:30.58   0.5   67.4 205                                   CASY
 JAGI eP      20:57:40.51  -1.5X  69.2 268                                   JAGI
 BKB  eP      20:57:41.21   1.9X  68.8 276                                   BKB 
 KIWB eP      20:57:42.15  -0.9X  69.5 359                                   KIWB
 ADK  eP      20:57:42.97  -0.2   69.5 359                                   ADK 
 GSTR eP      20:57:44.87   0.5   69.7 359                                   GSTR
 MAJO eP      20:57:45.86   0.3   69.9 321                                   MAJO
 SMRI eP      20:58:06.06   0.5X  73.1 268                                   SMRI
 SNCC eP      20:58:07.47   0.3   73.5  46                                   SNCC



 Generated 2013 MAY 11 at 21:02 UTC

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