NCSS Moment Tensor Solution

Solution reviewed by Nate Lindsey

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73143141
Origin Time2019/02/17 09:55:24
Latitude38.3517
Longitude-122.4018
Depth (TT)8.3 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.71 (not authoritative)
Ml3.81 (not authoritative)
Mw3.7 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T4.44757.429136.832
N0.04829.426288.838
P-4.49512.71526.149

Source Composition:
TypePercent
DC98
CLVD2
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.47e+21 Dyne-cm
Mxx-2.757e+21 Dyne-cm
Mxy-2.346e+21 Dyne-cm
Mxz-2.331e+21 Dyne-cm
Myy-1.948e+20 Dyne-cm
Myz9.354e+20 Dyne-cm
Mzz2.952e+21 Dyne-cm
Variance Reduction84%
Version number4
Solution time2019/02/17 10:47:26 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP12735764
NP214913841

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