NCSS Moment Tensor Solution

Solution reviewed by Claire Doody

Moment Tensor Diagram
Hypocentral Location:
Event ID73622771
Origin Time2021/09/09 21:57:57
Latitude40.2705
Longitude-124.3813
Depth (TT)32.8 km
Depth (MT; not authoritative)33 km fixed

Magnitudes:
Md4.04 (not authoritative)
Ml3.75 (not authoritative)
Mw4.47 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T6.08018.159264.598
N0.41571.65093.162
P-6.4952.553355.436

Source Composition:
TypePercent
DC87
CLVD13
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo6.29e+22 Dyne-cm
Mxx-6.392e+22 Dyne-cm
Mxy1.026e+22 Dyne-cm
Mxz-4.645e+21 Dyne-cm
Myy5.440e+22 Dyne-cm
Myz-1.645e+22 Dyne-cm
Mzz9.518e+21 Dyne-cm
Variance Reduction91%
Version number3
Solution time2021/09/10 18:33:59 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP130916579
NP2411175

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