USGS Body-Wave Moment Tensor Solution

OFF COAST OF NORTHERN PERU

13/03/30 17:30:48.53

Epicenter:  -9.404  -79.039
MW 5.4

USGS MOMENT TENSOR SOLUTION
Depth  46         No. of sta: 21
Moment Tensor;   Scale 10**17 Nm
  Mrr= 1.47       Mtt=-0.06
  Mpp=-1.41       Mrt= 0.03
  Mrp= 0.63       Mtp=-0.17
 Principal axes:
  T  Val=  1.60  Plg=78  Azm=268
  N       -0.04       2        6
  P       -1.56      12       96

Best Double Couple:Mo=1.6*10**17
 NP1:Strike=  5 Dip=57 Slip=  88
 NP2:       189     33        93

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