NCSS Moment Tensor Solution

Solution reviewed by Yuancong Gou

Moment Tensor Diagram
Hypocentral Location:
Event ID73827436
Origin Time2023/01/01 06:49:10
Latitude36.5950
Longitude-121.2063
Depth (TT)7.7 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.99 (not authoritative)
Ml3.92 (not authoritative)
Mw3.9 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T8.9875.955271.454
N-0.25081.305138.448
P-8.7376.3122.115

Source Composition:
TypePercent
DC94
CLVD6
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo8.86e+21 Dyne-cm
Mxx-8.617e+21 Dyne-cm
Mxy-5.409e+20 Dyne-cm
Mxz-9.027e+20 Dyne-cm
Myy8.870e+21 Dyne-cm
Myz-9.870e+20 Dyne-cm
Mzz-2.531e+20 Dyne-cm
Variance Reduction78%
Version number3
Solution time2023/01/01 17:37:11 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1137-17190
NP247081

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