USGS Body-Wave Moment Tensor Solution


13/08/21 12:38:30.51

Epicenter:  16.917  -99.381
MW 6.2

Depth  21         No. of sta: 71
Moment Tensor;   Scale 10**18 Nm
  Mrr= 1.48       Mtt=-0.70
  Mpp=-0.78       Mrt= 1.14
  Mrp=-0.81       Mtp= 1.16
 Principal axes:
  T  Val=  2.00  Plg=69  Azm= 22
  N        0.39       7      131
  P       -2.40      20      224

Best Double Couple:Mo=2.2*10**18
 NP1:Strike=327 Dip=26 Slip= 107
 NP2:       128     65        82

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