USGS Body-Wave Moment Tensor Solution


12/10/20 23:00:32.55

Epicenter: -13.565  166.600
MW 6.2

Depth  34         No. of sta: 71
Moment Tensor;   Scale 10**18 Nm
  Mrr= 1.68       Mtt=-0.13
  Mpp=-1.55       Mrt=-0.45
  Mrp= 1.32       Mtp=-0.57
 Principal axes:
  T  Val=  2.31  Plg=65  Azm=234
  N       -0.21      18        7
  P       -2.10      17      102

Best Double Couple:Mo=2.2*10**18
 NP1:Strike=358 Dip=65 Slip=  71
 NP2:       218     32       125

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