NCSS Moment Tensor Solution

Solution reviewed by Jennifer

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID21405798
Origin Time2004/10/09 03:45:49
Latitude37.9788
Longitude-118.6588
Depth (TT)5.4 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md4.31 (not authoritative)
Ml4.68 (not authoritative)
Mw4.52 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T8.20210.090317.453
N-1.23879.054114.381
P-6.9634.202226.704

Source Composition:
TypePercent
DC70
CLVD30
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo7.58e+22 Dyne-cm
Mxx1.050e+22 Dyne-cm
Mxy-7.400e+22 Dyne-cm
Mxz1.486e+22 Dyne-cm
Myy-7.103e+20 Dyne-cm
Myz-7.965e+21 Dyne-cm
Mzz-9.792e+21 Dyne-cm
Variance Reduction93%
Version number1
Solution time2009/10/21 19:36:31 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1921086
NP2217680

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