NCSS Moment Tensor Solution

Solution reviewed by Claire Doody

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73710361
Origin Time2022/03/25 21:10:59
Latitude39.1152
Longitude-122.2567
Depth (TT)-0.5 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.69 (not authoritative)
Ml3.77 (not authoritative)
Mw3.67 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T3.64426.288288.698
N0.80162.289128.573
P-4.4458.14822.754

Source Composition:
TypePercent
DC64
CLVD36
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.04e+21 Dyne-cm
Mxx-3.336e+21 Dyne-cm
Mxy-2.528e+21 Dyne-cm
Mxz-3.168e+20 Dyne-cm
Myy2.083e+21 Dyne-cm
Myz-1.354e+21 Dyne-cm
Mzz1.253e+21 Dyne-cm
Variance Reduction67%
Version number2
Solution time2022/03/25 21:52:44 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP133315578
NP2691466

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