USGS Body-Wave Moment Tensor Solution
11/11/14 04:05:12.07 Epicenter: -0.945 126.872 MW 6.2 USGS MOMENT TENSOR SOLUTION Depth 14 No. of sta: 29 Moment Tensor; Scale 10**18 Nm Mrr=-0.49 Mtt= 1.50 Mpp=-1.01 Mrt=-0.88 Mrp=-1.66 Mtp= 1.27 Principal axes: T Val= 2.75 Plg=26 Azm=150 N -0.28 41 34 P -2.47 37 262 Best Double Couple:Mo=2.6*10**18 NP1:Strike=290 Dip=42 Slip= -10 NP2: 28 83 -132
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.