NCSS Moment Tensor Solution

Solution reviewed by Christina V

Moment Tensor Diagram
Hypocentral Location:
Event ID74000441
Origin Time2024/02/10 07:20:20
Latitude40.3088
Longitude-124.4948
Depth (TT)9.6 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.98 (not authoritative)
Ml3.99 (not authoritative)
Mw4.11 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.8398.72539.236
N-0.04178.764258.655
P-1.7977.025130.319

Source Composition:
TypePercent
DC95
CLVD5
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.82e+22 Dyne-cm
Mxx3.364e+21 Dyne-cm
Mxy1.753e+22 Dyne-cm
Mxz3.562e+21 Dyne-cm
Myy-3.120e+21 Dyne-cm
Myz1.583e+20 Dyne-cm
Mzz-2.449e+20 Dyne-cm
Variance Reduction87%
Version number2
Solution time2024/02/10 08:38:17 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP18516989
NP2175179

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