NCSS Moment Tensor Solution

Solution reviewed by Danielle Lindsay

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73761796
Origin Time2022/07/23 01:41:04
Latitude39.4583
Longitude-121.4378
Depth (TT)0.4 km
Depth (MT; not authoritative)1.5 km

Magnitudes:
Md4.12 (not authoritative)
Ml4.22 (not authoritative)
Mw4.24 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.73625.33165.183
N0.27816.919326.904
P-3.01458.839206.702

Source Composition:
TypePercent
DC82
CLVD18
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.88e+22 Dyne-cm
Mxx-7.178e+20 Dyne-cm
Mxy4.113e+21 Dyne-cm
Mxz1.701e+22 Dyne-cm
Myy1.754e+22 Dyne-cm
Myz1.518e+22 Dyne-cm
Mzz-1.683e+22 Dyne-cm
Variance Reduction88%
Version number2
Solution time2022/07/23 02:06:03 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1321-10872
NP2188-4625

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