NCSS Moment Tensor Solution

Solution reviewed by Danielle Lindsay

Moment Tensor Diagram
Hypocentral Location:
Event ID73538955
Origin Time2021/03/18 18:56:46
Latitude36.6030
Longitude-121.2058
Depth (TT)5.9 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.22 (not authoritative)
Ml3.46 (not authoritative)
Mw3.37 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.51418.65687.988
N-0.16462.500218.420
P-1.35019.452351.140

Source Composition:
TypePercent
DC78
CLVD22
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.43e+21 Dyne-cm
Mxx-1.192e+21 Dyne-cm
Mxy2.133e+20 Dyne-cm
Mxz-3.500e+20 Dyne-cm
Myy1.316e+21 Dyne-cm
Myz5.658e+20 Dyne-cm
Mzz-1.241e+20 Dyne-cm
Variance Reduction53%
Version number1
Solution time2021/03/18 20:14:45 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP139-2789
NP2130-17963

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