Phase Data

Explanation of Parameters


     14 FEB 2013  ( 45)

     ot  = 16:56:22.89   +/-   2.80              SOUTHERN ALGERIA                
     lat =      22.832   +/-   15.2
     lon =       5.233   +/-    8.7              MAGNITUDE 4.3 (GS)       
     dep =        13.5   +/-    7.8   

     30 km (19 miles) W of Tamanrasset, Algeria (pop 54,000)
     525 km (326 miles) NE of Tessalit, Mali
     555 km (345 miles) WSW of Ghat, Libya
     1558 km (967 miles) S of ALGIERS, Algeria

     nph =   13 of  21    se = 1.38    FE=551                            A   

     error ellipse = (174.0,  9.0, 23.9; 80.0, 25.0, 13.8;283.0, 62.0, 10.7)

 mb = 4.3 (  7)  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
 TAM  ePg     16:56:30.38   1.6    0.3  99                                   TAM 
      eSg     16:56:36.60  S res =   3.9X
 TOA0 ePn     16:58:46.38  -2.7   10.2 200                                   TOA0
      ePn     16:58:48.15  -0.9 
      eSn     17:00:36.67  S res =  -6.7X
      eSn     17:00:36.94  S res =  -6.5X
      eLg     17:01:44.49 -12.0X
      eLg     17:01:49.94  -6.6X
 KEST ePn     16:59:31.39  -0.7   13.3  15                                   KEST
 DBIC eP      17:00:42.65   0.7   18.8 213 b:1.6+1 .85 4.3                   DBIC
 CUC  eP      17:00:46.59  -1.2   19.3  25 b:1.3+1 .90 4.2                   CUC 
 PAB  eP      17:00:48.33   9.0X  18.5 336 b:5.8+0 .85 3.8                   PAB 
 AGG  eP      17:01:13.46  -0.7   21.8  38 b:5.6+1 1.6 4.7                   AGG 
 SENINeP      17:01:40.85   7.7X  23.5   4 b:1.4+1 1.3 4.3                   SENI
 ECH  eP      17:01:54.44   4.8X  25.4   3 b:1.4+1 1.2 4.5                   ECH 
 GEA0 eP      17:02:04.32   1.6   26.8  13                                   GEA0
 KHC  eP      17:02:05.17   0.2   27.1  12 b:8.8+0 1.7 4.2                   KHC 
 GEC2 eP      17:02:05.75   2.9   26.8  12                                   GEC2
 BR131eP      17:02:23.14  -2.7   29.4  48                                   BR13
 BUR04eP      17:02:26.45   0.0   29.5  28                                   BUR0
 BUR08eP      17:02:26.85   0.3   29.5  28                                   BUR0



 Generated 2013 FEB 14 at 19:34 UTC

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