USGS Body-Wave Moment Tensor Solution

BANDA SEA

12/11/28 08:56:15.77

Epicenter:  -5.408  131.118
MW 5.6

USGS MOMENT TENSOR SOLUTION
Depth  48         No. of sta: 29
Moment Tensor;   Scale 10**17 Nm
  Mrr= 0.98       Mtt=-2.61
  Mpp= 1.63       Mrt= 0.39
  Mrp= 1.06       Mtp= 1.42
 Principal axes:
  T  Val=  2.77  Plg=32  Azm=287
  N        0.28      58      105
  P       -3.04       1      197

Best Double Couple:Mo=2.9*10**17
 NP1:Strike=327 Dip=67 Slip= 157
 NP2:        67     69        25

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