NCSS Moment Tensor Solution

Solution reviewed by Claire Doody

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73668291
Origin Time2021/12/24 14:24:22
Latitude40.3170
Longitude-124.8318
Depth (TT)3.6 km
Depth (MT; not authoritative)18 km

Magnitudes:
Md3.27 (not authoritative)
Ml3.51 (not authoritative)
Mw3.6 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.8481.759221.028
N0.50273.500125.076
P-3.35016.400311.546

Source Composition:
TypePercent
DC70
CLVD30
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo3.10e+21 Dyne-cm
Mxx2.768e+20 Dyne-cm
Mxy2.920e+21 Dyne-cm
Mxz-7.462e+20 Dyne-cm
Myy-4.736e+20 Dyne-cm
Myz7.335e+20 Dyne-cm
Mzz1.967e+20 Dyne-cm
Variance Reduction54%
Version number1
Solution time2021/12/24 15:11:20 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP187-16780
NP2355-1177

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