Phase Data

Explanation of Parameters


     27 JAN 2013  ( 27)

     ot  = 07:46:59.88   +/-   0.79              SOUTH SANDWICH ISLANDS REGION   
     lat =     -58.834   +/-   14.9
     lon =     -25.220   +/-   12.9              MAGNITUDE 4.7 (GS)       
     dep =        35.0   +/-    2.9   

     78 km (48 miles) ENE of Bristol Island, South Sandwich Islands (pop N/A)
     266 km (165 miles) SSE of Visokoi Island, South Sandwich Islands
     3647 km (2265 miles) SSE of BUENOS AIRES, D.F., Argentina

     nph =   18 of  19    se = 0.39    FE=153                            A   

     error ellipse = (190.0,  5.0, 23.3;280.0,  0.0, 19.8; 18.0, 84.0,  3.7)

 mb = 4.7 (  1)  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
 HOPE ePn     07:48:47.99  -1.5    7.7 301                                   HOPE
 SNAA ePn     07:50:39.75   0.9   15.8 154 b:7.9+1 1.2 4.8                   SNAA
 PMSA eP      07:51:17.61  -0.8   19.0 236 b:9.2+1 1.1 4.9                   PMSA
 EFI  eP      07:51:28.02   0.2   19.9 277 b:2.4+2 1.6 5.3                   EFI 
 PLCA eP      07:53:36.94   0.4   33.6 282 b:4.2+1 1.5 5.1                   PLCA
 GO06 eP      07:53:47.79  -0.3   34.9 283 b:1.2+1 1.2 4.7                   GO06
 GO05 eP      07:54:18.92  -1.1   38.7 287 b:6.1+1 1.5 5.2                   GO05
 SPB  eP      07:54:19.38   0.1   38.6 326 b:2.8+1 .40 5.4                   SPB 
 CPUP eP      07:54:26.95   0.5   39.5 311 b:1.4+1 1.4 4.5                   CPUP
 PEL  eP      07:54:27.72   0.3   39.6 290 b:1.3+2 1.3 5.5                   PEL 
 ROC1 eP      07:54:30.26   0.0   39.9 290 b:2.6+1 .90 5.0                   ROC1
 GO02 eP      07:55:17.56  -0.2X  45.7 298 b:8.0+0 .80 4.7                   GO02
 TSUM eP      07:55:52.62   0.3   50.2  57 b:2.0+1 1.2 5.0                   TSUM
 MNMC eP      07:55:57.93  -0.3   51.0 302 b:7.4+0 .70 4.8                   MNMC
 LPAZ eP      07:56:12.47  -0.1   52.8 305 b:5.8+0 .90 4.6                   LPAZ
 LSZ  eP      07:56:52.26  -0.1   58.5  66 b:2.9+1 1.7 5.1                   LSZ 
 OTAV eP      07:58:21.24   0.4   72.1 303 b:9.4+0 1.2 4.6                   OTAV
 SDV  eP      07:58:47.45   0.0   76.7 314 b:1.4+1 1.4 4.8                   SDV 
 AS01 eP      08:00:22.39  -1.0   96.0 161                                   AS01



 Generated 2013 JAN 27 at 08:06 UTC

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