NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID21392076
Origin Time2004/08/30 04:30:57
Latitude36.5765
Longitude-121.1782
Depth (TT)8.5 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md3.96 (not authoritative)
Mw3.91 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T8.9278.19390.696
N0.15581.367289.212
P-9.0822.704181.086

Source Composition:
TypePercent
DC97
CLVD3
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo9.00e+21 Dyne-cm
Mxx-9.057e+21 Dyne-cm
Mxy-2.791e+20 Dyne-cm
Mxz4.202e+20 Dyne-cm
Myy8.744e+21 Dyne-cm
Myz1.246e+21 Dyne-cm
Mzz3.123e+20 Dyne-cm
Variance Reduction91%
Version number1
Solution time2009/10/23 05:00:02 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP113617286
NP2226482

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