NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram
Hypocentral Location:
Event ID71872550
Origin Time2012/10/31 15:29:53
Latitude40.9737
Longitude-123.6997
Depth (TT)12.6 km
Depth (MT; not authoritative)11 km fixed

Magnitudes:
Md3.09 (not authoritative)
Ml3.18 (not authoritative)
Mw3.21 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T7.89567.385274.436
N0.24316.000140.937
P-8.13815.55446.360

Source Composition:
TypePercent
DC94
CLVD6
Iso(null)
Moment Tensor:
Mo8.02e+20 Dyne-cm
Mxx-3.455e+20 Dyne-cm
Mxy-3.972e+20 Dyne-cm
Mxz-1.284e+20 Dyne-cm
Myy-2.706e+20 Dyne-cm
Myz-4.275e+20 Dyne-cm
Mzz6.161e+20 Dyne-cm
Variance Reduction62%
Version number1
Solution time2012/11/01 05:03:19 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP133010862
NP21145933

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