NCSS Moment Tensor Solution

Solution reviewed by Fabia Terra

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73172850
Origin Time2019/04/27 09:36:36
Latitude37.9937
Longitude-122.0547
Depth (TT)16.8 km
Depth (MT; not authoritative)18 km

Magnitudes:
Md3.37 (not authoritative)
Ml3.48 (not authoritative)
Mw3.37 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.31420.608268.213
N0.24369.07698.639
P-1.5573.468359.519

Source Composition:
TypePercent
DC69
CLVD31
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.44e+21 Dyne-cm
Mxx-1.550e+21 Dyne-cm
Mxy4.430e+19 Dyne-cm
Mxz-1.197e+20 Dyne-cm
Myy1.181e+21 Dyne-cm
Myz-3.519e+20 Dyne-cm
Mzz3.691e+20 Dyne-cm
Variance Reduction65%
Version number1
Solution time2019/04/27 10:56:57 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP131216378
NP2461273

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