NCSS Moment Tensor Solution

Computer-generated solution; not reviewed

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73566711
Origin Time2021/05/28 15:25:22
Latitude39.1363
Longitude-120.0438
Depth (TT)-2.0 km
Depth (MT; not authoritative)3.5 km

Magnitudes:
Md4.17 (not authoritative)
Ml4.44 (not authoritative)
Mw4.13 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.2337.973289.070
N-0.53179.537149.746
P-1.7026.73220.017

Source Composition:
TypePercent
DC52
CLVD48
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.97e+22 Dyne-cm
Mxx-1.261e+22 Dyne-cm
Mxy-1.209e+22 Dyne-cm
Mxz-4.060e+19 Dyne-cm
Myy1.755e+22 Dyne-cm
Myz-4.055e+21 Dyne-cm
Mzz-4.938e+21 Dyne-cm
Variance Reduction94%
Version number1
Solution time2021/05/28 15:30:19 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP133417089
NP265180

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