NCSS Moment Tensor Solution

Solution reviewed by Sierra

Moment Tensor Diagram
Hypocentral Location:
Event ID21006582
Origin Time1999/04/04 06:00:37
Latitude38.8428
Longitude-122.7573
Depth (TT)3.8 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Md3.72 (not authoritative)
Ml3.82 (not authoritative)
Mw3.96 (authoritative)

Principal Axes:
Scale1.0e+21 Dyne-cm
AxisValuePlungeAzimuth
T9.28425.669122.998
N2.86623.090224.822
P-12.15054.244351.126

Source Composition:
TypePercent
DC52
CLVD48
Iso(null)
Moment Tensor:
Mo1.07e+22 Dyne-cm
Mxx-5.940e+20 Dyne-cm
Mxy-1.552e+21 Dyne-cm
Mxz-8.401e+21 Dyne-cm
Myy6.413e+21 Dyne-cm
Myz3.221e+21 Dyne-cm
Mzz-5.819e+21 Dyne-cm
Variance Reduction50%
Version number13
Solution time2011/07/19 18:34:47 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP151-6675
NP2172-14628

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