NCSS Moment Tensor Solution

Solution reviewed by Sevan Adourian

Moment Tensor Diagram
Hypocentral Location:
Event ID73584531
Origin Time2021/07/08 07:36:26
Latitude38.5503
Longitude-122.3135
Depth (TT)4.6 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Md3.48 (not authoritative)
Ml3.54 (not authoritative)
Mw3.58 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.9272.077264.393
N-0.02064.891169.954
P-2.90725.011355.363

Source Composition:
TypePercent
DC99
CLVD1
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.92e+21 Dyne-cm
Mxx-2.347e+21 Dyne-cm
Mxy4.772e+20 Dyne-cm
Mxz-1.113e+21 Dyne-cm
Myy2.879e+21 Dyne-cm
Myz-1.680e+19 Dyne-cm
Mzz-5.320e+20 Dyne-cm
Variance Reduction91%
Version number2
Solution time2021/07/08 17:54:23 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1133-16074
NP237-1771

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