NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73446356
Origin Time2020/08/19 00:55:23
Latitude39.3605
Longitude-123.2458
Depth (TT)8.2 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md3.94 (not authoritative)
Ml3.84 (not authoritative)
Mw4.22 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.50824.915287.637
N0.30162.99783.357
P-2.8099.748193.060

Source Composition:
TypePercent
DC79
CLVD21
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.66e+22 Dyne-cm
Mxx-2.399e+22 Dyne-cm
Mxy-1.189e+22 Dyne-cm
Mxz7.610e+21 Dyne-cm
Myy1.795e+22 Dyne-cm
Myz-6.864e+21 Dyne-cm
Mzz6.033e+21 Dyne-cm
Variance Reduction73%
Version number3
Solution time2020/08/19 15:45:04 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1632580
NP232816965

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