NCSS Moment Tensor Solution

Solution reviewed by Danielle Lindsay

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73494405
Origin Time2020/12/06 15:03:33
Latitude39.0340
Longitude-123.0668
Depth (TT)8.6 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md4.38 (not authoritative)
Ml4.29 (not authoritative)
Mw4.39 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T3.7267.034102.045
N2.18477.023339.673
P-5.91010.850193.400

Source Composition:
TypePercent
DC26
CLVD74
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.82e+22 Dyne-cm
Mxx-5.138e+22 Dyne-cm
Mxy-2.070e+22 Dyne-cm
Mxz1.416e+22 Dyne-cm
Myy3.217e+22 Dyne-cm
Myz5.301e+21 Dyne-cm
Mzz1.920e+22 Dyne-cm
Variance Reduction94%
Version number2
Solution time2020/12/06 16:06:46 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1328-16787
NP2237-377

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