NCSS Moment Tensor Solution

Solution reviewed by Kathryn Materna

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72996311
Origin Time2018/04/07 07:37:16
Latitude38.8257
Longitude-122.7675
Depth (TT)0.5 km
Depth (MT; not authoritative)1.5 km

Magnitudes:
Md3.47 (not authoritative)
Ml3.56 (not authoritative)
Mw3.49 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.3818.725110.788
N-0.46215.010203.146
P-1.91972.534351.597

Source Composition:
TypePercent
DC61
CLVD39
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.15e+21 Dyne-cm
Mxx-2.406e+20 Dyne-cm
Mxy-9.027e+20 Dyne-cm
Mxz-5.640e+20 Dyne-cm
Myy1.963e+21 Dyne-cm
Myz4.595e+20 Dyne-cm
Mzz-1.722e+21 Dyne-cm
Variance Reduction60%
Version number1
Solution time2018/04/07 08:07:17 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP134-7255
NP2184-11539

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