USGS Body-Wave Moment Tensor Solution

PACIFIC-ANTARCTIC RIDGE

13/01/15 16:09:37.09

Epicenter: -62.580 -161.396
MW 6.0

USGS MOMENT TENSOR SOLUTION
Depth   8         No. of sta: 33
Moment Tensor;   Scale 10**18 Nm
  Mrr= 0.07       Mtt= 1.32
  Mpp=-1.39       Mrt= 0.33
  Mrp=-0.28       Mtp= 0.30
 Principal axes:
  T  Val=  1.42  Plg=13  Azm=355
  N        0.07      73      131
  P       -1.49      12      262

Best Double Couple:Mo=1.5*10**18
 NP1:Strike= 39 Dip=73 Slip= 179
 NP2:       129     89        17

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