USGS Body-Wave Moment Tensor Solution
NORTHERN XINJIANG, CHINA
13/03/29 05:01:10.08 Epicenter: 43.470 86.865 MW 5.2 USGS MOMENT TENSOR SOLUTION Depth 20 No. of sta: 36 Moment Tensor; Scale 10**16 Nm Mrr=-1.48 Mtt=-1.75 Mpp= 3.23 Mrt=-4.89 Mrp=-1.18 Mtp= 5.79 Principal axes: T Val= 8.51 Plg=22 Azm=129 N -0.76 49 247 P -7.76 32 24 Best Double Couple:Mo=8.2*10**16 NP1:Strike=170 Dip=50 Slip=-171 NP2: 75 83 -40
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.