NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73472891
Origin Time2020/10/20 01:59:46
Latitude39.3638
Longitude-123.2518
Depth (TT)7.0 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md3.11 (not authoritative)
Ml3.5 (not authoritative)
Mw3.43 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.74016.086299.152
N0.05173.865114.587
P-1.7911.218208.801

Source Composition:
TypePercent
DC94
CLVD6
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.76e+21 Dyne-cm
Mxx-9.925e+20 Dyne-cm
Mxy-1.440e+21 Dyne-cm
Mxz2.534e+20 Dyne-cm
Myy8.131e+20 Dyne-cm
Myz-3.740e+20 Dyne-cm
Mzz1.794e+20 Dyne-cm
Variance Reduction44%
Version number1
Solution time2020/10/20 18:10:31 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1751280
NP234316978

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