NCSS Moment Tensor Solution

Solution reviewed by Heng-Yi Su

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73545020
Origin Time2021/04/02 08:21:35
Latitude40.3032
Longitude-124.5910
Depth (TT)19.4 km
Depth (MT; not authoritative)27 km

Magnitudes:
Md4.09 (not authoritative)
Ml3.81 (not authoritative)
Mw4.36 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T4.8576.70144.149
N-1.10379.117171.820
P-3.7548.536313.139

Source Composition:
TypePercent
DC55
CLVD45
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.31e+22 Dyne-cm
Mxx7.117e+21 Dyne-cm
Mxy4.232e+22 Dyne-cm
Mxz2.296e+21 Dyne-cm
Myy3.688e+21 Dyne-cm
Myz7.651e+21 Dyne-cm
Mzz-1.081e+22 Dyne-cm
Variance Reduction87%
Version number2
Solution time2021/04/02 18:37:06 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1359-1189
NP289-17979

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