Phase Data

Explanation of Parameters


     29 MAR 2013  ( 88)

     ot  = 20:36:36.45   +/-   3.81              SALTA, ARGENTINA                
     lat =     -24.289   +/-   14.0
     lon =     -67.369   +/-   26.9              MAGNITUDE 4.3 (GS)       
     dep =       177.9   +/-   33.3   

     107 km (66 miles) W of San Antonio de los Cobres, Salta, Arg. (pop 4,200)
     196 km (122 miles) N of Antofagasta de la Sierra, Catmrca, Arg.
     205 km (127 miles) WNW of Salta, Salta, Argentina
     1418 km (880 miles) NW of BUENOS AIRES, D.F., Argentina

     nph =   25 of  25    se = 1.88    FE=127                            C   

     error ellipse = (271.0, 54.0, 58.9; 63.0, 32.0, 29.1;162.0, 13.0, 19.9)

 mb = 4.2 (  2)  ML = 4.2 ( 16)  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
 LVC  ePn     20:37:17.85   2.0    2.2 319 L:1.7+0 .49 4.2                   LVC 
 GO02 ePn     20:37:18.50   2.6    2.2 246 L:2.8+0 .32 4.4                   GO02
      eSn     20:37:48.92  S res =   2.5 
 PB10 ePn     20:37:27.27   2.1    3.0 284 L:5.5-1 .35 3.9                   PB10
      eSn     20:38:03.55  S res =   0.4 
 PB04 ePn     20:37:29.13   1.4    3.2 307 L:1.9+0 .35 4.5                   PB04
      eSn     20:38:07.59  S res =  -0.1 
 PB01 ePn     20:37:35.43   0.7    3.8 328 L:8.5-1 .35 4.3                   PB01
      eSn     20:38:18.25  S res =  -2.0 
 GO03 ePn     20:37:40.57   0.7    4.2 218 L:4.0-1 .40 4.1                   GO03
      eSn     20:38:28.77  S res =  -0.8 
 PB11 ePn     20:37:49.49  -0.7    5.0 334 L:4.4-1 .35 4.4                   PB11
      eSn     20:38:45.10  S res =  -3.0 
 GO01 ePn     20:37:50.52   1.0    4.9 339 L:3.3-1 .15 4.3                   GO01
 MNMC ePn     20:37:57.91   0.3    5.5 338                                   MNMC
      eSn     20:38:59.04  S res =  -2.2 
 LCO  ePn     20:37:58.06   0.0    5.6 212                                   LCO 
      eSn     20:38:59.88  S res =  -2.3 
 GO04 ePn     20:38:10.98  -0.7    6.6 207                                   GO04
      eSn     20:39:23.42  S res =  -3.3 
 LPAZ ePn     20:38:31.32   1.0    8.0 355                                   LPAZ
 ROC1 ePn     20:38:44.79  -1.3    9.2 200                                   ROC1
 CPUP ePn     20:38:45.29  -1.6    9.3 105                                   CPUP
 PLCA eP      20:40:20.71   2.2   16.6 189 b:2.6+0 .70 3.7                   PLCA
 BDFB eP      20:40:56.57  -0.2   20.1  68 b:5.0+1 1.9 4.7                   BDFB



 Generated 2013 MAR 29 at 21:42 UTC

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