NCSS Moment Tensor Solution

Solution reviewed by Nam Maneerat

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73358970
Origin Time2020/03/25 11:57:38
Latitude38.7918
Longitude-122.7645
Depth (TT)2.1 km
Depth (MT; not authoritative)3.5 km

Magnitudes:
Md3.72 (not authoritative)
Ml3.83 (not authoritative)
Mw4.06 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.53818.956261.765
N-0.04549.59315.560
P-1.49334.121158.307

Source Composition:
TypePercent
DC94
CLVD6
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.52e+22 Dyne-cm
Mxx-8.730e+21 Dyne-cm
Mxy5.417e+21 Dyne-cm
Mxz5.553e+21 Dyne-cm
Myy1.207e+22 Dyne-cm
Myz-7.301e+21 Dyne-cm
Mzz-3.337e+21 Dyne-cm
Variance Reduction94%
Version number3
Solution time2020/03/25 12:22:08 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1207-3980
NP2305-16851

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