NCSS Moment Tensor Solution

Solution reviewed by Danielle Lindsay

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73539406
Origin Time2021/03/24 15:41:14
Latitude39.2462
Longitude-123.4777
Depth (TT)8.5 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md3.92 (not authoritative)
Ml3.68 (not authoritative)
Mw3.98 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.15721.433301.711
N0.04467.433140.872
P-1.2016.73334.367

Source Composition:
TypePercent
DC93
CLVD7
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.18e+22 Dyne-cm
Mxx-5.261e+21 Dyne-cm
Mxy-1.003e+22 Dyne-cm
Mxz7.925e+20 Dyne-cm
Myy3.505e+21 Dyne-cm
Myz-4.037e+21 Dyne-cm
Mzz1.756e+21 Dyne-cm
Variance Reduction90%
Version number6
Solution time2021/03/24 19:42:05 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP134616080
NP2801170

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