NCSS Moment Tensor Solution

Solution reviewed by Jennifer Taggart

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73170140
Origin Time2019/04/22 05:45:10
Latitude36.6007
Longitude-121.2133
Depth (TT)8.2 km
Depth (MT; not authoritative)18 km

Magnitudes:
Md3.47 (not authoritative)
Ml3.49 (not authoritative)
Mw3.59 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.9924.08689.226
N0.04584.497227.089
P-3.0373.679358.962

Source Composition:
TypePercent
DC97
CLVD3
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo3.01e+21 Dyne-cm
Mxx-3.023e+21 Dyne-cm
Mxy9.520e+19 Dyne-cm
Mxz-1.945e+20 Dyne-cm
Myy2.975e+21 Dyne-cm
Myz2.130e+20 Dyne-cm
Mzz4.730e+19 Dyne-cm
Variance Reduction83%
Version number2
Solution time2019/04/22 22:49:33 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1224590
NP213418085

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