NCSS Moment Tensor Solution

Solution reviewed by Sierra

Moment Tensor Diagram
Hypocentral Location:
Event ID30121914
Origin Time1996/11/18 06:56:53
Latitude38.7915
Longitude-122.7460
Depth (TT)2.7 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Ma3.99 (not authoritative)
Md3.85 (not authoritative)
Mw3.89 (authoritative)

Principal Axes:
Scale1.0e+21 Dyne-cm
AxisValuePlungeAzimuth
T9.9364.313105.297
N-3.05417.607196.668
P-6.88271.8382.005

Source Composition:
TypePercent
DC39
CLVD61
Iso(null)
Moment Tensor:
Mo8.40e+21 Dyne-cm
Mxx-2.527e+21 Dyne-cm
Mxy-3.264e+21 Dyne-cm
Mxz-1.395e+21 Dyne-cm
Myy8.964e+21 Dyne-cm
Myz8.675e+20 Dyne-cm
Mzz-6.437e+21 Dyne-cm
Variance Reduction69%
Version number90
Solution time2011/07/14 22:29:26 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP131-6752
NP2177-11644

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