NCSS Moment Tensor Solution

Solution reviewed by Sevan Adourian

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73284360
Origin Time2019/10/01 00:09:05
Latitude39.5390
Longitude-123.9980
Depth (TT)10.4 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.19 (not authoritative)
Ml3.44 (not authoritative)
Mw3.49 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.98538.422326.300
N0.30951.536143.157
P-2.2941.531235.085

Source Composition:
TypePercent
DC73
CLVD27
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.14e+21 Dyne-cm
Mxx1.689e+20 Dyne-cm
Mxy-1.695e+21 Dyne-cm
Mxz7.187e+20 Dyne-cm
Myy-1.123e+21 Dyne-cm
Myz-3.958e+20 Dyne-cm
Mzz9.542e+20 Dyne-cm
Variance Reduction72%
Version number3
Solution time2019/11/08 21:56:26 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP11073065
NP2415263

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