NCSS Moment Tensor Solution

Solution reviewed by Noel Bartlow

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73357410
Origin Time2020/03/22 16:27:38
Latitude40.4255
Longitude-124.8233
Depth (TT)11.9 km
Depth (MT; not authoritative)14 km

Magnitudes:
Md4.48 (not authoritative)
Ml4.7 (not authoritative)
Mw4.78 (authoritative)

Principal Axes:
Scale1.0E+23 Dyne-cm
AxisValuePlungeAzimuth
T1.8263.226267.468
N0.02884.553141.239
P-1.8544.385357.716

Source Composition:
TypePercent
DC97
CLVD3
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.84e+23 Dyne-cm
Mxx-1.836e+23 Dyne-cm
Mxy1.536e+22 Dyne-cm
Mxz-1.478e+22 Dyne-cm
Myy1.814e+23 Dyne-cm
Myz-9.522e+21 Dyne-cm
Mzz2.227e+21 Dyne-cm
Variance Reduction89%
Version number2
Solution time2020/03/22 17:04:16 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1133-17589
NP243-185

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