NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71330090
Origin Time2010/01/04 14:24:54
Latitude40.2773
Longitude-123.8685
Depth (TT)29.8 km
Depth (MT; not authoritative)30 km

Magnitudes:
Md4.01 (not authoritative)
Ml3.67 (not authoritative)
Mw4.12 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.9538.98790.350
N-0.08280.437250.194
P-1.8713.241359.836

Source Composition:
TypePercent
DC92
CLVD8
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.91e+22 Dyne-cm
Mxx-1.865e+22 Dyne-cm
Mxy-7.030e+19 Dyne-cm
Mxz-1.029e+21 Dyne-cm
Myy1.903e+22 Dyne-cm
Myz3.143e+21 Dyne-cm
Mzz-3.823e+20 Dyne-cm
Variance Reduction86%
Version number2
Solution time2010/01/04 17:04:32 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1225986
NP213517681

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