NCSS Moment Tensor Solution

Solution reviewed by Sevan Adourian

Moment Tensor Diagram
Hypocentral Location:
Event ID73454476
Origin Time2020/09/06 18:43:58
Latitude37.7198
Longitude-122.1250
Depth (TT)10.1 km
Depth (MT; not authoritative)11 km fixed

Magnitudes:
Md3.24 (not authoritative)
Ml3.4 (not authoritative)
Mw3.21 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T8.9547.559105.128
N-1.61067.101213.438
P-7.34521.48112.135

Source Composition:
TypePercent
DC64
CLVD36
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo8.15e+20 Dyne-cm
Mxx-5.649e+20 Dyne-cm
Mxy-3.636e+20 Dyne-cm
Mxz-2.270e+20 Dyne-cm
Myy7.845e+20 Dyne-cm
Myz9.190e+19 Dyne-cm
Mzz-2.196e+20 Dyne-cm
Variance Reduction88%
Version number1
Solution time2020/09/06 19:24:56 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP157-2180
NP2151-17069

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