NCSS Moment Tensor Solution

Solution reviewed by Nam Maneerat

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73666801
Origin Time2021/12/21 03:26:39
Latitude40.4115
Longitude-124.2383
Depth (TT)26.8 km
Depth (MT; not authoritative)27 km

Magnitudes:
Md3.71 (not authoritative)
Ml3.47 (not authoritative)
Mw3.84 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T7.42619.995280.871
N-0.68170.003100.160
P-6.7450.229190.788

Source Composition:
TypePercent
DC82
CLVD18
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo7.09e+21 Dyne-cm
Mxx-6.278e+21 Dyne-cm
Mxy-2.441e+21 Dyne-cm
Mxz5.151e+20 Dyne-cm
Myy6.011e+21 Dyne-cm
Myz-2.554e+21 Dyne-cm
Mzz2.665e+20 Dyne-cm
Variance Reduction82%
Version number2
Solution time2021/12/21 16:23:19 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1581576
NP232416676

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