NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73824236
Origin Time2022/12/24 19:33:44
Latitude40.5572
Longitude-124.0083
Depth (TT)22.4 km
Depth (MT; not authoritative)21 km

Magnitudes:
Md3.97 (not authoritative)
Ml3.51 (not authoritative)
Mw4.16 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.14818.98779.378
N-0.00716.418343.559
P-2.14164.470215.466

Source Composition:
TypePercent
DC99
CLVD1
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.14e+22 Dyne-cm
Mxx-2.043e+21 Dyne-cm
Mxy1.617e+21 Dyne-cm
Mxz7.981e+21 Dyne-cm
Myy1.721e+22 Dyne-cm
Myz1.133e+22 Dyne-cm
Mzz-1.516e+22 Dyne-cm
Variance Reduction69%
Version number4
Solution time2022/12/25 19:32:40 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1336-10866
NP2195-5530

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