NCSS Moment Tensor Solution

Solution reviewed by Savvas Marcou

Moment Tensor Diagram
Hypocentral Location:
Event ID73938706
Origin Time2023/09/19 03:44:31
Latitude37.4375
Longitude-121.3067
Depth (TT)0.1 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.43 (not authoritative)
Ml3.59 (not authoritative)
Mw3.49 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.09161.395225.451
N0.07010.738115.101
P-2.16126.16919.754

Source Composition:
TypePercent
DC94
CLVD6
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.13e+21 Dyne-cm
Mxx-1.294e+21 Dyne-cm
Mxy-3.400e+20 Dyne-cm
Mxz-1.427e+21 Dyne-cm
Myy1.000e+20 Dyne-cm
Myz-9.037e+20 Dyne-cm
Mzz1.194e+21 Dyne-cm
Variance Reduction88%
Version number1
Solution time2023/09/19 06:21:06 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP129910172
NP2865921

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