USGS Body-Wave Moment Tensor Solution

SOUTHEAST OF LOYALTY ISLANDS

12/10/23 09:39:30.61

Epicenter: -22.315  171.688
MW 5.9

USGS MOMENT TENSOR SOLUTION
Depth 101         No. of sta: 36
Moment Tensor;   Scale 10**17 Nm
  Mrr= 2.14       Mtt=-3.59
  Mpp= 1.45       Mrt= 6.25
  Mrp= 3.26       Mtp= 4.45
 Principal axes:
  T  Val=  9.52  Plg=42  Azm=313
  N       -1.41      37       84
  P       -8.11      26      196

Best Double Couple:Mo=8.9*10**17
 NP1:Strike= 78 Dip=81 Slip=  53
 NP2:       336     38       165

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