NCSS Moment Tensor Solution

Solution reviewed by Sierra

Moment Tensor Diagram
Hypocentral Location:
Event ID21038803
Origin Time1999/07/29 04:52:27
Latitude38.7965
Longitude-122.7338
Depth (TT)3.7 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Ma3.54 (not authoritative)
Md3.51 (not authoritative)
Ml3.6 (not authoritative)
Mw3.66 (authoritative)

Principal Axes:
Scale1.0e+21 Dyne-cm
AxisValuePlungeAzimuth
T4.6769.45296.887
N-1.67810.129188.592
P-2.99876.076324.699

Source Composition:
TypePercent
DC28
CLVD72
Iso(null)
Moment Tensor:
Mo3.83e+21 Dyne-cm
Mxx-1.643e+21 Dyne-cm
Mxy-6.628e+20 Dyne-cm
Mxz-3.754e+20 Dyne-cm
Myy4.390e+21 Dyne-cm
Myz1.200e+21 Dyne-cm
Mzz-2.748e+21 Dyne-cm
Variance Reduction64%
Version number3
Solution time2011/07/18 23:11:17 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP116-7755
NP2174-10837

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