USGS/SLU Regional Moment Solution


12/10/16 23:12:23.02

Epicenter:  43.586  -70.708
MW 4.0

Depth   7         No. of sta: 52
Moment Tensor;   Scale 10**15 Nm
  Mrr= 1.29       Mtt=-0.12
  Mpp=-1.18       Mrt=-0.30
  Mrp= 0.51       Mtp= 0.33
 Principal axes:
  T  Val=  1.43  Plg=77  Azm=228
  N       -0.04       5      341
  P       -1.39      12       73

Best Double Couple:Mo=1.4*10**15
 NP1:Strike=338 Dip=57 Slip=  84
 NP2:       170     33       100

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