NCSS Moment Tensor Solution

Solution reviewed by Sierra

Moment Tensor Diagram
Hypocentral Location:
Event ID30225804
Origin Time2003/05/20 16:50:42
Latitude38.8012
Longitude-122.8033
Depth (TT)0.6 km
Depth (MT; not authoritative)1.5 km fixed

Magnitudes:
Md3.51 (not authoritative)
Mw4.4 (authoritative)

Principal Axes:
Scale1.0e+22 Dyne-cm
AxisValuePlungeAzimuth
T5.22240.525238.111
N-0.4829.711336.522
P-4.74047.83277.413

Source Composition:
TypePercent
DC81
CLVD19
Iso(null)
Moment Tensor:
Mo4.98e+22 Dyne-cm
Mxx3.470e+21 Dyne-cm
Mxy1.074e+22 Dyne-cm
Mxz-1.951e+22 Dyne-cm
Myy6.609e+20 Dyne-cm
Myz-4.461e+22 Dyne-cm
Mzz-4.131e+21 Dyne-cm
Variance Reduction41%
Version number6
Solution time2011/07/26 19:08:38 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1157-8086
NP2268-15910

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