NCSS Moment Tensor Solution

Solution reviewed by Jennifer

Moment Tensor Diagram
Hypocentral Location:
Event ID21420919
Origin Time2004/11/19 02:56:01
Latitude35.8600
Longitude-120.4083
Depth (TT)8.6 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.8 (not authoritative)
Mw3.72 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T4.7910.205290.473
N-0.21777.58821.407
P-4.57312.411200.428

Source Composition:
TypePercent
DC91
CLVD9
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.68e+21 Dyne-cm
Mxx-3.253e+21 Dyne-cm
Mxy-3.000e+21 Dyne-cm
Mxz8.631e+20 Dyne-cm
Myy3.672e+21 Dyne-cm
Myz3.023e+20 Dyne-cm
Mzz-4.185e+20 Dyne-cm
Variance Reduction69%
Version number1
Solution time2009/10/20 23:37:29 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1245-981
NP2336-17181

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