NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71271840
Origin Time2009/09/06 03:20:56
Latitude35.5568
Longitude-120.7983
Depth (TT)5.0 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md4.06 (not authoritative)
Ml4.05 (not authoritative)
Mw3.81 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T6.07960.2445.124
N0.8663.884268.304
P-6.94529.450176.107

Source Composition:
TypePercent
DC75
CLVD25
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo6.51e+21 Dyne-cm
Mxx-3.756e+21 Dyne-cm
Mxy5.154e+20 Dyne-cm
Mxz5.574e+21 Dyne-cm
Myy8.487e+20 Dyne-cm
Myz-2.640e+19 Dyne-cm
Mzz2.907e+21 Dyne-cm
Variance Reduction69%
Version number2
Solution time2009/09/06 22:57:54 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1899475
NP22557616

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