NCSS Moment Tensor Solution

Solution reviewed by Prajna Paramita Das

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73947486
Origin Time2023/10/08 21:30:24
Latitude38.8272
Longitude-122.8040
Depth (TT)1.8 km
Depth (MT; not authoritative)3.5 km

Magnitudes:
Md3.47 (not authoritative)
Ml3.54 (not authoritative)
Mw3.87 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T8.27411.108120.643
N-0.42417.801214.258
P-7.85068.8160.203

Source Composition:
TypePercent
DC90
CLVD10
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo8.06e+21 Dyne-cm
Mxx7.818e+20 Dyne-cm
Mxy-3.676e+21 Dyne-cm
Mxz-3.340e+21 Dyne-cm
Myy5.775e+21 Dyne-cm
Myz1.406e+21 Dyne-cm
Mzz-6.557e+21 Dyne-cm
Variance Reduction63%
Version number2
Solution time2023/10/09 04:31:00 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP146-6958
NP2189-12037

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