NCSS Moment Tensor Solution

Solution reviewed by Li-Wei Chen

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73440256
Origin Time2020/08/09 03:23:55
Latitude40.3080
Longitude-124.6300
Depth (TT)17.1 km
Depth (MT; not authoritative)24 km

Magnitudes:
Md3.47 (not authoritative)
Ml3.67 (not authoritative)
Mw3.69 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T4.4288.89155.020
N-0.41680.863221.589
P-4.0112.088324.693

Source Composition:
TypePercent
DC81
CLVD19
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.22e+21 Dyne-cm
Mxx-1.253e+21 Dyne-cm
Mxy3.914e+21 Dyne-cm
Mxz3.172e+20 Dyne-cm
Myy1.559e+21 Dyne-cm
Myz6.817e+20 Dyne-cm
Mzz-3.055e+20 Dyne-cm
Variance Reduction67%
Version number3
Solution time2020/08/09 04:18:06 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1190885
NP210017582

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