NCSS Moment Tensor Solution

Solution reviewed by Kelly

Moment Tensor Diagram
Hypocentral Location:
Event ID71729135
Origin Time2012/02/13 04:47:13
Latitude38.7900
Longitude-122.7453
Depth (TT)0.4 km
Depth (MT; not authoritative)1.5 km fixed

Magnitudes:
Md4.02 (not authoritative)
Ml4.02 (not authoritative)
Mw4.26 (authoritative)

Principal Axes:
Scale1.0e+22 Dyne-cm
AxisValuePlungeAzimuth
T3.7751.212283.099
N-1.46385.66329.304
P-2.3114.164193.011

Source Composition:
TypePercent
DC22
CLVD78
Iso(null)
Moment Tensor:
Mo3.04e+22 Dyne-cm
Mxx-1.995e+22 Dyne-cm
Mxy-1.341e+22 Dyne-cm
Mxz8.494e+20 Dyne-cm
Myy3.460e+22 Dyne-cm
Myz-9.410e+20 Dyne-cm
Mzz-1.465e+22 Dyne-cm
Variance Reduction82%
Version number3
Solution time2012/02/13 05:47:14 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1238-488
NP2328-17886

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