NCSS Moment Tensor Solution

Solution reviewed by Dreger

Moment Tensor Diagram
Hypocentral Location:
Event ID539672
Origin Time1997/11/30 21:17:05
Latitude37.6358
Longitude-118.9448
Depth (TT)4.6 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Ma5.03 (not authoritative)
Md4.62 (not authoritative)
Ml4.83 (not authoritative)
MwD&W4.88 (authoritative)
MwTOT5.03

Principal Axes:
Scale1.0E+23 Dyne-cm
AxisValue(tot)Value(dev)PlungeAzimuth
T3.8492.35249.302232.789
N1.9820.48540.59957.577
P-1.339-2.8362.369325.546

Source Composition:
TypePercent
DC42
CLVD22
Iso37
Moment Tensor (Aki & Richards Convention):
MoD&W2.59e+23 Dyne-cm
MoISO1.50e+23 Dyne-cm
MoTOT4.33e+23 Dyne-cm
Mxx1.803e+21 Dyne-cm
Mxy1.929e+23 Dyne-cm
Mxz-6.713e+22 Dyne-cm
Myy1.424e+23 Dyne-cm
Myz-6.576e+22 Dyne-cm
Mzz3.050e+23 Dyne-cm
Variance Reduction91%
Version number3
Solution time2012/04/11 03:53:37 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP126813960
NP2223856

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