NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71747540
Origin Time2012/03/14 06:30:21
Latitude39.0212
Longitude-122.5773
Depth (TT)3.9 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.06 (not authoritative)
Ml2.96 (not authoritative)
Mw3.4 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.77912.347120.612
N-0.38153.902228.082
P-1.39933.29822.345

Source Composition:
TypePercent
DC57
CLVD43
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.59e+21 Dyne-cm
Mxx-4.546e+20 Dyne-cm
Mxy-1.154e+21 Dyne-cm
Mxz-6.619e+20 Dyne-cm
Myy1.043e+21 Dyne-cm
Myz2.107e+20 Dyne-cm
Mzz-5.887e+20 Dyne-cm
Variance Reduction66%
Version number1
Solution time2012/03/15 00:19:33 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP168-3476
NP2167-16457

Waveform data (solid line) and synthetic data (dashed line) from the moment tensor inversion: