NCSS Moment Tensor Solution

Solution reviewed by Jennifer Taggart

Moment Tensor Diagram
Hypocentral Location:
Event ID73014276
Origin Time2018/05/10 02:58:31
Latitude38.8122
Longitude-122.7972
Depth (TT)1.1 km
Depth (MT; not authoritative)1.5 km fixed

Magnitudes:
Md3.85 (not authoritative)
Ml3.88 (not authoritative)
Mw4.19 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.35011.028104.705
N0.10643.455205.346
P-2.45744.4483.684

Source Composition:
TypePercent
DC91
CLVD9
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.40e+22 Dyne-cm
Mxx-1.055e+22 Dyne-cm
Mxy-6.146e+21 Dyne-cm
Mxz-1.385e+22 Dyne-cm
Myy2.124e+22 Dyne-cm
Myz3.253e+21 Dyne-cm
Mzz-1.068e+22 Dyne-cm
Variance Reduction74%
Version number2
Solution time2018/05/10 03:28:26 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP147-4369
NP2155-15251

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