NCSS Moment Tensor Solution

Solution reviewed by Shan

Moment Tensor Diagram
Hypocentral Location:
Event ID71280741
Origin Time2009/09/14 04:33:08
Latitude39.0283
Longitude-123.1130
Depth (TT)4.4 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.02 (not authoritative)
Ml3.04 (not authoritative)
Mw3.34 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.3036.415279.960
N-0.02879.20146.077
P-1.2758.650188.980

Source Composition:
TypePercent
DC96
CLVD4
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.29e+21 Dyne-cm
Mxx-1.178e+21 Dyne-cm
Mxy-4.118e+20 Dyne-cm
Mxz2.086e+20 Dyne-cm
Myy1.218e+21 Dyne-cm
Myz-1.167e+20 Dyne-cm
Mzz-4.010e+19 Dyne-cm
Variance Reduction67%
Version number2
Solution time2009/09/14 19:02:30 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1234-1188
NP2325-17879

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