NCSS Moment Tensor Solution

Solution reviewed by Robert Martin-Short

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73109006
Origin Time2018/11/09 20:31:48
Latitude39.4260
Longitude-123.2895
Depth (TT)4.7 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md3.61 (not authoritative)
Ml3.69 (not authoritative)
Mw3.79 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T6.22924.308285.105
N-0.25358.81963.383
P-5.97618.302186.513

Source Composition:
TypePercent
DC92
CLVD8
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo6.10e+21 Dyne-cm
Mxx-4.980e+21 Dyne-cm
Mxy-1.936e+21 Dyne-cm
Mxz2.329e+21 Dyne-cm
Myy4.699e+21 Dyne-cm
Myz-2.154e+21 Dyne-cm
Mzz2.809e+20 Dyne-cm
Variance Reduction75%
Version number2
Solution time2018/11/09 20:57:17 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1573186
NP232417559

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