USGS Body-Wave Moment Tensor Solution

SIMEULUE, INDONESIA

12/07/25 00:27:45.48

Epicenter:   2.659   96.125
MW 6.3

USGS MOMENT TENSOR SOLUTION
Depth  22         No. of sta: 95
Moment Tensor;   Scale 10**18 Nm
  Mrr= 1.62       Mtt=-1.27
  Mpp=-0.35       Mrt= 2.93
  Mrp=-2.25       Mtp= 0.53
 Principal axes:
  T  Val=  4.09  Plg=56  Azm= 42
  N       -0.17       4      305
  P       -3.92      34      213

Best Double Couple:Mo=4.0*10**18
 NP1:Strike=286 Dip=12 Slip=  70
 NP2:       126     79        94

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