Phase Data

Explanation of Parameters


     25 JAN 2013  ( 25)

     ot  = 06:40:55.24   +/-   0.91              COSTA RICA                      
     lat =       9.596   +/-    8.6
     lon =     -83.964   +/-   11.9              MAGNITUDE 3.6 (UCR)      
     dep =         8.3   +/-   13.2   

     39 km (24 miles) SSE of SAN JOSE, Costa Rica (pop 336,000)
     104 km (64 miles) ESE of Puntarenas, Costa Rica (pop 36,000)
     111 km (69 miles) WSW of Limon, Costa Rica (pop 61,000)
     138 km (85 miles) NW of Golfito, Costa Rica (pop 10,000)
 
     MW 3.6 (UCR). Felt at Aserri, Cartago, Curridabat, Escazu,
     Guadalupe, Paraiso, San Jose, San Pedro and Tres Rios.

     nph =   10 of  10    se = 0.45    FE=078                            B   

     error ellipse = ( 55.0, 39.0, 26.6;234.0, 50.0, 13.7;325.0,  0.0,  4.6)

 mb = 0.0 (  0)  ML = 3.2 ( 13)  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
 HDC  ePg     06:41:03.76   0.1    0.4 340 L:1.3+1 .55 3.7                   HDC 
      eSg     06:41:08.72  S res =  -0.6 
 JTS  ePg     06:41:17.52  -0.6    1.2 305 L:2.8+0 .32 3.7                   JTS 
      eSg     06:41:33.76  S res =   0.0 
 ESPN ePn     06:41:36.56  -1.1    2.6 353 L:2.2-1 .70 3.2                   ESPN
      eSn     06:42:11.60  S res =   2.2 
 BOAB ePn     06:41:46.86  -0.3    3.3 330 L:6.0-2 .35 2.9                   BOAB
      eSn     06:42:26.17  S res =  -0.3 
 BCIP ePn     06:41:58.16   0.0    4.1  96 L:7.0-2 2.0 3.2                   BCIP
 ESTN ePn     06:42:00.08   0.3    4.2 326 L:6.0-2 .55 3.2                   ESTN



 Generated 2013 JAN 27 at 06:12 UTC

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