NCSS Moment Tensor Solution

Solution reviewed by Achiang

Moment Tensor Diagram
Hypocentral Location:
Event ID21145960
Origin Time2001/02/02 23:03:12
Latitude39.7303
Longitude-122.8288
Depth (TT)6.1 km
Depth (MT; not authoritative)5 km fixed

Magnitudes:
Ma3.88 (not authoritative)
Md4.03 (not authoritative)
Ml3.96 (not authoritative)
Mw4.2 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.4432.534101.443
N0.0991.59011.373
P-2.54387.008249.298

Source Composition:
TypePercent
DC92
CLVD8
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.49e+22 Dyne-cm
Mxx1.906e+21 Dyne-cm
Mxy-4.573e+21 Dyne-cm
Mxz2.815e+20 Dyne-cm
Myy2.340e+22 Dyne-cm
Myz2.303e+21 Dyne-cm
Mzz-2.531e+22 Dyne-cm
Variance Reduction80%
Version number6
Solution time2014/10/03 00:33:25 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP110-9248
NP2193-8842

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