USGS Body-Wave Moment Tensor Solution


11/08/20 18:19:23.79

Epicenter: -18.327  168.133
MW 7.0

Depth  31         No. of sta: 47
Moment Tensor;   Scale 10**19 Nm
  Mrr= 2.42       Mtt= 0.55
  Mpp=-2.96       Mrt= 0.70
  Mrp=-0.26       Mtp= 1.91
 Principal axes:
  T  Val=  2.68  Plg=67  Azm=347
  N        1.17      22      154
  P       -3.85       5      246

Best Double Couple:Mo=3.4*10**19
 NP1:Strike=358 Dip=45 Slip= 123
 NP2:       136     54        62

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