NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71667366
Origin Time2011/10/20 21:41:04
Latitude37.8570
Longitude-122.2530
Depth (TT)8.3 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.99 (not authoritative)
Ml4.08 (not authoritative)
Mw3.94 (authoritative)

Principal Axes:
Scale1.0e+21 Dyne-cm
AxisValuePlungeAzimuth
T10.3084.23198.866
N-0.48685.668291.285
P-9.8220.928188.935

Source Composition:
TypePercent
DC91
CLVD9
Iso(null)
Moment Tensor:
Mo1.01e+22 Dyne-cm
Mxx-9.340e+21 Dyne-cm
Mxy-3.067e+21 Dyne-cm
Mxz2.700e+19 Dyne-cm
Myy9.769e+21 Dyne-cm
Myz8.081e+20 Dyne-cm
Mzz-4.294e+20 Dyne-cm
Variance Reduction82%
Version number4
Solution time2011/10/21 00:02:04 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP114417688
NP2234286

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