NCSS Moment Tensor Solution

Solution reviewed by Rodrigo Chi

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73648540
Origin Time2021/11/04 00:24:34
Latitude39.8972
Longitude-123.4258
Depth (TT)6.5 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.88 (not authoritative)
Ml3.92 (not authoritative)
Mw4.08 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.64211.84471.250
N-0.00269.578195.529
P-1.64016.391337.713

Source Composition:
TypePercent
DC100
CLVD0
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.64e+22 Dyne-cm
Mxx-1.130e+22 Dyne-cm
Mxy1.009e+22 Dyne-cm
Mxz-3.042e+21 Dyne-cm
Myy1.193e+22 Dyne-cm
Myz4.810e+21 Dyne-cm
Mzz-6.323e+20 Dyne-cm
Variance Reduction90%
Version number3
Solution time2021/11/04 01:00:58 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP124-2087
NP2115-17770

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