Historic Earthquakes: Moment Tensor Solution

Magnitude 7.7 EL SALVADOR
2001 January 13 17:33:32 UTC

 Dep  36           No. of sta: 39
 Moment Tensor;   Scale 10**20 Nm
   Mrr=-2.57       Mtt= 1.94
   Mff= 0.63       Mrt= 0.65
   Mrf=-0.58       Mtf=-1.63
  Principal axes:
   T  Val=  3.17  Plg= 9  Azm= 34
   N       -0.47       3      125
   P       -2.70      81      233
 Best Double Couple:Mo=2.9*10**20
  NP1:Strike=121 Dip=37 Slip= -95
  NP2:       307     54       -86

Moment Tensor Solution