NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID375872
Origin Time1993/08/23 15:03:27
Latitude38.8120
Longitude-122.8323
Depth (TT)2.5 km
Depth (MT; not authoritative)5 km

Magnitudes:
Ma3.61 (not authoritative)
Md3.8 (not authoritative)
Mw3.99 (authoritative)

Principal Axes:
Scale1.0e+22 Dyne-cm
AxisValuePlungeAzimuth
T1.0408.59891.223
N0.35632.304186.708
P-1.39656.294348.122

Source Composition:
TypePercent
DC49
CLVD51
Iso(null)
Moment Tensor:
Mo1.22e+22 Dyne-cm
Mxx-1.606e+21 Dyne-cm
Mxy9.439e+20 Dyne-cm
Mxz-7.936e+21 Dyne-cm
Myy1.002e+22 Dyne-cm
Myz2.677e+21 Dyne-cm
Mzz-8.414e+21 Dyne-cm
Variance Reduction80%
Version number2
Solution time2012/03/22 18:50:43 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP127-5261
NP2149-13846

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