NCSS Moment Tensor Solution

Solution reviewed by Claire Doody

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73346395
Origin Time2020/02/26 18:34:13
Latitude38.8365
Longitude-122.7847
Depth (TT)-0.8 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.38 (not authoritative)
Ml3.51 (not authoritative)
Mw3.68 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T4.2630.453290.723
N-0.22721.405200.545
P-4.03668.59021.878

Source Composition:
TypePercent
DC89
CLVD11
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.15e+21 Dyne-cm
Mxx-1.019e+20 Dyne-cm
Mxy-1.661e+21 Dyne-cm
Mxz-1.189e+21 Dyne-cm
Myy3.630e+21 Dyne-cm
Myz-5.155e+20 Dyne-cm
Mzz-3.528e+21 Dyne-cm
Variance Reduction71%
Version number1
Solution time2020/02/26 19:11:26 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1181-11949
NP241-6148

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