NCSS Moment Tensor Solution

Solution reviewed by Prajna Paramita Das

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73925281
Origin Time2023/08/17 21:08:01
Latitude40.3183
Longitude-124.2343
Depth (TT)31.9 km
Depth (MT; not authoritative)33 km

Magnitudes:
Md3.89 (not authoritative)
Ml3.65 (not authoritative)
Mw4.07 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.57627.631255.982
N0.01960.52298.152
P-1.5969.469350.991

Source Composition:
TypePercent
DC98
CLVD2
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.59e+22 Dyne-cm
Mxx-1.442e+22 Dyne-cm
Mxy5.302e+21 Dyne-cm
Mxz-4.138e+21 Dyne-cm
Myy1.131e+22 Dyne-cm
Myz-5.796e+21 Dyne-cm
Mzz3.105e+21 Dyne-cm
Variance Reduction91%
Version number2
Solution time2023/08/17 23:44:49 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP130115378
NP2371464

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