USGS Body-Wave Moment Tensor Solution
MYANMAR-INDIA BORDER REGION
13/01/09 01:41:53.22 Epicenter: 25.327 95.038 MW 5.8 USGS MOMENT TENSOR SOLUTION Depth 89 No. of sta: 59 Moment Tensor; Scale 10**17 Nm Mrr= 6.47 Mtt=-4.81 Mpp=-1.67 Mrt= 0.82 Mrp=-2.55 Mtp= 2.75 Principal axes: T Val= 7.21 Plg=74 Azm= 89 N -0.49 13 305 P -6.72 9 213 Best Double Couple:Mo=7.0*10**17 NP1:Strike=287 Dip=38 Slip= 68 NP2: 134 55 106
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.