Phase Data

Explanation of Parameters 


     11 JAN 2011  ( 11)

     ot  = 07:39:17.73   +/-   1.01              VANUATU                         
     lat =     -19.285   +/-   13.5
     lon =     168.121   +/-   17.0              MAGNITUDE 5.0 (GS)       
     dep =        95.2   +/-    9.1   

     125 km (75 miles) WNW of Isangel, Tanna, Vanuatu (pop 700)
     175 km (105 miles) S of PORT-VILA, Efate, Vanuatu
     250 km (155 miles) N of Tadine, Loyalty Islands, New Caledonia
     1785 km (1110 miles) ENE of BRISBANE, Queensland, Australia

     nph =   26 of  27    se = 0.50    FE=186                            A   

     error ellipse = (105.0, 10.0, 26.8;196.0,  2.0, 20.4;300.0, 78.0, 13.1)

 mb = 5.0 ( 25)  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
 OUZ  ePn     07:43:04.35  -0.2   16.6 164                                   OUZ 
      eP      07:43:12.28   6.8X
 URZ  eP      07:43:47.34  -0.3   20.5 159 b:1.3+2 1.5 5.1                   URZ 
 CTAO eP      07:43:50.08   0.7   20.6 264 b:1.5+2 1.9 5.0                   CTAO
 BKZ  eP      07:43:53.33  -1.2   21.1 162 b:4.3+1 1.0 4.7                   BKZ 
 CAN  eP      07:44:16.91   0.1   23.3 223 b:5.4+1 1.2 4.8                   CAN 
 FOZ  eP      07:44:25.78   0.3   24.2 177 b:5.7+2 2.9 5.5                   FOZ 
 STKA eP      07:44:50.92   0.7   26.9 237 b:1.1+1 1.5 4.2                   STKA
 AS01 eP      07:45:33.90  -1.8   32.0 256                                   AS01
 NWAO eP      07:47:41.29  -0.2   47.3 243 b:2.9+1 1.0 5.1                   NWAO
 PSI  eP      07:50:26.73  -1.3   71.3 280 b:2.1+1 1.4 4.8                   PSI 
 MAW  eP      07:51:06.38   1.1   78.0 202 b:4.3+0 1.3 4.1                   MAW 
 ULN  eP      07:51:48.75  -0.2   86.3 324 b:3.0+1 1.7 5.1                   ULN 
 TNA  eP      07:51:49.65   0.1   86.5  10 b:2.1+1 1.4 5.0                   TNA 
 SONA1eP      07:51:50.67   0.0   86.6 324                                   SONA
 BILL eP      07:51:52.38   0.0   87.1 359 b:2.0+1 1.3 5.0                   BILL
 ORV  eP      07:51:56.22  -0.5   87.9  47 b:5.1+1 2.7 5.1                   ORV 
 DAC  eP      07:52:03.03  -0.4   89.2  51 b:5.6+1 2.7 5.2                   DAC 
 NV01 eP      07:52:04.70  -0.5   89.6  49                                   NV01
 H04A eP      07:52:05.35  -0.2   89.8  42 b:2.6+1 1.7 5.1                   H04A
 NV11 eP      07:52:05.67   0.0   89.7  49 b:7.5+1 2.9 5.3                   NV11
 TPNV eP      07:52:09.45   0.2   90.5  51 b:2.8+1 2.1 5.1                   TPNV
 WVOR eP      07:52:12.14   0.3   91.1  45 b:1.7+1 1.5 5.1                   WVOR
 G08A eP      07:52:15.80  -0.7   92.1  43 b:7.3+1 2.8 5.5                   G08A
 HAWA eP      07:52:18.57   1.8   92.2  41 b:1.5+1 1.4 5.2                   HAWA
 IMU  eP      07:52:20.42  -2.3   93.4  50                                   IMU 
 TUC  eP      07:52:20.51   0.0   92.9  57 b:9.2+0 1.4 4.9                   TUC 



 Generated 2011 JAN 12 at 15:50 UTC

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