USGS/SLU Regional Moment Solution

13/07/05 09:51:44.00

Epicenter:  62.263 -145.770
MW 3.6

USGS/SLU REGIONAL MOMENT TENSOR
Depth  18         No. of sta: 39
Moment Tensor;   Scale 10**14 Nm
  Mrr= 0.53       Mtt=-1.44
  Mpp= 0.90       Mrt=-0.23
  Mrp= 2.49       Mtp= 2.27
 Principal axes:
  T  Val=  3.71  Plg=35  Azm=292
  N       -0.22      45      157
  P       -3.49      24       40

Best Double Couple:Mo=3.6*10**14
 NP1:Strike= 80 Dip=46 Slip=   9
 NP2:       344     83       136

Moment Tensor Solution
The figure above shows a visual representation of the style of faulting (focal mechanism) derived from the estimated moment tensor. Shaded areas show quadrants of the focal sphere in which the P-wave first-motions are away from the source, and unshaded areas show quadrants in which the P-wave first-motions are toward the source. The dots represent the axis of maximum compressional strain (in black, called the "P-axis") and the axis of maximum extensional strain (in white, called the "T-axis") resulting from the earthquake.

Moment Tensor Solution