NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID21392238
Origin Time2004/08/31 00:40:19
Latitude35.6793
Longitude-121.1042
Depth (TT)4.4 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.83 (not authoritative)
Mw3.81 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T6.52069.516337.897
N-0.33715.961117.860
P-6.18312.500211.496

Source Composition:
TypePercent
DC90
CLVD10
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo6.35e+21 Dyne-cm
Mxx-3.667e+21 Dyne-cm
Mxy-2.775e+21 Dyne-cm
Mxz3.136e+21 Dyne-cm
Myy-1.739e+21 Dyne-cm
Myz-2.003e+20 Dyne-cm
Mzz5.406e+21 Dyne-cm
Variance Reduction74%
Version number1
Solution time2009/10/23 05:11:37 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP11087159
NP232211835

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