USGS/SLU Regional Moment Solution

SOUTHERN TEXAS

11/10/20 12:24:40.58

Epicenter:  28.803  -98.154
MW 4.8

USGS/SLU REGIONAL MOMENT TENSOR
Depth   5         No. of sta: 22
Moment Tensor;   Scale 10**16 Nm
  Mrr=-1.05       Mtt= 0.73
  Mpp= 0.32       Mrt=-1.14
  Mrp=-0.91       Mtp= 0.46
 Principal axes:
  T  Val=  1.78  Plg=27  Azm=145
  N        0.03       3       53
  P       -1.80      63      318

Best Double Couple:Mo=1.8*10**16
 NP1:Strike= 53 Dip=72 Slip= -93
 NP2:       241     18       -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