NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73447140
Origin Time2020/08/17 20:27:50
Latitude37.4910
Longitude-121.8290
Depth (TT)4.9 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.5 (not authoritative)
Ml3.29 (not authoritative)
Mw3.45 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.74147.517345.690
N0.19535.103125.822
P-1.93720.744231.261

Source Composition:
TypePercent
DC80
CLVD20
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.84e+21 Dyne-cm
Mxx1.273e+20 Dyne-cm
Mxy-1.079e+21 Dyne-cm
Mxz1.188e+21 Dyne-cm
Myy-8.960e+20 Dyne-cm
Myz3.604e+20 Dyne-cm
Mzz7.687e+20 Dyne-cm
Variance Reduction72%
Version number4
Solution time2020/08/19 19:23:25 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP11145374
NP2415539

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