NCSS Moment Tensor Solution

Solution reviewed by Nam Maneerat

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73559265
Origin Time2021/05/07 04:35:14
Latitude39.4545
Longitude-120.3125
Depth (TT)3.2 km
Depth (MT; not authoritative)14 km

Magnitudes:
Md4.71 (not authoritative)
Ml5.09 (not authoritative)
Mw4.65 (authoritative)

Principal Axes:
Scale1.0E+23 Dyne-cm
AxisValuePlungeAzimuth
T1.1627.694283.978
N0.00581.417130.462
P-1.1673.78214.490

Source Composition:
TypePercent
DC99
CLVD1
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.17e+23 Dyne-cm
Mxx-1.023e+23 Dyne-cm
Mxy-5.492e+22 Dyne-cm
Mxz-3.761e+21 Dyne-cm
Myy1.002e+23 Dyne-cm
Myz-1.683e+22 Dyne-cm
Mzz2.067e+21 Dyne-cm
Variance Reduction94%
Version number2
Solution time2021/05/07 05:31:50 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP132917287
NP259382

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