NCSS Moment Tensor Solution

Solution reviewed by Danielle Lindsay

Moment Tensor Diagram
Hypocentral Location:
Event ID73804556
Origin Time2022/11/07 02:01:28
Latitude39.4802
Longitude-123.1160
Depth (TT)3.0 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.77 (not authoritative)
Ml3.77 (not authoritative)
Mw3.76 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T5.6491.492289.520
N-0.24581.72729.837
P-5.4048.135199.306

Source Composition:
TypePercent
DC91
CLVD9
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo5.53e+21 Dyne-cm
Mxx-4.090e+21 Dyne-cm
Mxy-3.432e+21 Dyne-cm
Mxz7.333e+20 Dyne-cm
Myy4.434e+21 Dyne-cm
Myz9.440e+19 Dyne-cm
Mzz-3.441e+20 Dyne-cm
Variance Reduction63%
Version number1
Solution time2022/11/07 03:38:13 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1244-785
NP2335-17583

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