NCSS Moment Tensor Solution

Solution reviewed by Claire Doody

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73707021
Origin Time2022/03/18 04:51:22
Latitude38.5205
Longitude-119.5387
Depth (TT)-1.9 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.87 (not authoritative)
Ml4.13 (not authoritative)
Mw3.99 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T11.7986.577114.727
N0.27442.412210.773
P-12.07246.83417.666

Source Composition:
TypePercent
DC95
CLVD5
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.19e+22 Dyne-cm
Mxx-2.982e+21 Dyne-cm
Mxy-5.992e+21 Dyne-cm
Mxz-6.419e+21 Dyne-cm
Myy9.125e+21 Dyne-cm
Myz-6.785e+20 Dyne-cm
Mzz-6.143e+21 Dyne-cm
Variance Reduction82%
Version number2
Solution time2022/03/18 05:21:45 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP157-4264
NP2168-14753

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