NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73923661
Origin Time2023/08/13 15:28:59
Latitude40.9457
Longitude-124.2718
Depth (TT)21.1 km
Depth (MT; not authoritative)24 km

Magnitudes:
Md3.7 (not authoritative)
Ml3.69 (not authoritative)
Mw3.8 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T5.94114.792280.136
N0.65069.86456.203
P-6.59213.352186.542

Source Composition:
TypePercent
DC80
CLVD20
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo6.27e+21 Dyne-cm
Mxx-5.963e+21 Dyne-cm
Mxy-1.633e+21 Dyne-cm
Mxz1.846e+21 Dyne-cm
Myy5.354e+21 Dyne-cm
Myz-1.100e+21 Dyne-cm
Mzz6.088e+20 Dyne-cm
Variance Reduction79%
Version number1
Solution time2023/08/13 15:53:44 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1542089
NP232317970

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