NCSS Moment Tensor Solution

Solution reviewed by Nam Maneerat

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73667251
Origin Time2021/12/21 17:24:54
Latitude40.3125
Longitude-124.6545
Depth (TT)17.3 km
Depth (MT; not authoritative)36 km

Magnitudes:
Md3.37 (not authoritative)
Ml3.66 (not authoritative)
Mw4 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T10.4612.72628.738
N3.72938.476120.907
P-14.19151.391295.319

Source Composition:
TypePercent
DC47
CLVD53
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.23e+22 Dyne-cm
Mxx7.617e+21 Dyne-cm
Mxy5.529e+21 Dyne-cm
Mxz-3.456e+21 Dyne-cm
Myy-4.193e+20 Dyne-cm
Myz8.052e+21 Dyne-cm
Mzz-7.198e+21 Dyne-cm
Variance Reduction50%
Version number1
Solution time2021/12/21 18:59:02 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1330-4359
NP286-14054

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