NCSS Moment Tensor Solution

Solution reviewed by Claire Doody

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73344735
Origin Time2020/02/22 19:14:27
Latitude40.3132
Longitude-124.6857
Depth (TT)5.8 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md4.23 (not authoritative)
Ml4.18 (not authoritative)
Mw4.33 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T3.7403.54836.343
N0.33564.691298.809
P-4.07625.024128.002

Source Composition:
TypePercent
DC84
CLVD16
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo3.91e+22 Dyne-cm
Mxx1.163e+22 Dyne-cm
Mxy3.376e+22 Dyne-cm
Mxz1.210e+22 Dyne-cm
Myy-7.222e+21 Dyne-cm
Myz-1.207e+22 Dyne-cm
Mzz-4.410e+21 Dyne-cm
Variance Reduction81%
Version number2
Solution time2020/02/22 20:49:38 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1265-15975
NP2169-1670

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