NCSS Moment Tensor Solution

Solution reviewed by Savvas Marcou

Moment Tensor Diagram
Hypocentral Location:
Event ID74030356
Origin Time2024/04/06 18:12:37
Latitude37.8588
Longitude-122.2423
Depth (TT)8.9 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.16 (not authoritative)
Ml3.25 (not authoritative)
Mw3.2 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T8.3328.871281.056
N-0.78174.953155.566
P-7.55012.05512.967

Source Composition:
TypePercent
DC81
CLVD19
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo7.94e+20 Dyne-cm
Mxx-6.602e+20 Dyne-cm
Mxy-3.090e+20 Dyne-cm
Mxz-1.081e+20 Dyne-cm
Myy7.462e+20 Dyne-cm
Myz-1.673e+20 Dyne-cm
Mzz-8.600e+19 Dyne-cm
Variance Reduction60%
Version number2
Solution time2024/04/16 22:24:33 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1147-16588
NP257-275

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