NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71546011
Origin Time2011/03/21 20:42:27
Latitude39.1217
Longitude-123.4178
Depth (TT)4.5 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.3 (not authoritative)
Ml3.36 (not authoritative)
Mw3.47 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.03814.802297.989
N-0.04672.858149.040
P-1.9928.45230.240

Source Composition:
TypePercent
DC96
CLVD4
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.02e+21 Dyne-cm
Mxx-1.038e+21 Dyne-cm
Mxy-1.635e+21 Dyne-cm
Mxz-2.900e+18 Dyne-cm
Myy9.898e+20 Dyne-cm
Myz-5.969e+20 Dyne-cm
Mzz4.810e+19 Dyne-cm
Variance Reduction44%
Version number2
Solution time2011/03/22 18:49:44 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP134316386
NP275573

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