NCSS Moment Tensor Solution

Solution reviewed by Danielle Lindsay

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73498140
Origin Time2020/12/15 14:59:41
Latitude37.1593
Longitude-121.5538
Depth (TT)5.2 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.48 (not authoritative)
Ml3.62 (not authoritative)
Mw3.54 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.4955.983103.907
N0.15874.315351.994
P-2.65314.445195.454

Source Composition:
TypePercent
DC88
CLVD12
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.57e+21 Dyne-cm
Mxx-2.157e+21 Dyne-cm
Mxy-1.216e+21 Dyne-cm
Mxz5.962e+20 Dyne-cm
Myy2.149e+21 Dyne-cm
Myz4.161e+20 Dyne-cm
Mzz8.300e+18 Dyne-cm
Variance Reduction68%
Version number1
Solution time2020/12/15 17:02:09 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1330-16584
NP2239-676

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