NCSS Moment Tensor Solution

Solution reviewed by Nate Lindsey

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72908631
Origin Time2017/10/13 23:10:32
Latitude39.2870
Longitude-123.2368
Depth (TT)-0.5 km
Depth (MT; not authoritative)14 km

Magnitudes:
Md3.69 (not authoritative)
Ml3.67 (not authoritative)
Mw3.94 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T10.2224.524105.025
N-0.01877.598353.934
P-10.20411.523195.949

Source Composition:
TypePercent
DC100
CLVD0
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.02e+22 Dyne-cm
Mxx-8.375e+21 Dyne-cm
Mxy-5.132e+21 Dyne-cm
Mxz1.708e+21 Dyne-cm
Myy8.736e+21 Dyne-cm
Myz1.326e+21 Dyne-cm
Mzz-3.612e+20 Dyne-cm
Variance Reduction81%
Version number3
Solution time2017/10/14 00:55:52 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1331-16985
NP2240-579

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