NCSS Moment Tensor Solution

Solution reviewed by Noel Bartlow

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73355700
Origin Time2020/03/18 22:08:21
Latitude40.3473
Longitude-124.4425
Depth (TT)28.6 km
Depth (MT; not authoritative)33 km

Magnitudes:
Md4.95 (not authoritative)
Ml5.03 (not authoritative)
Mw5.21 (authoritative)

Principal Axes:
Scale1.0E+23 Dyne-cm
AxisValuePlungeAzimuth
T8.1406.279262.246
N-0.03483.56369.459
P-8.1061.413172.090

Source Composition:
TypePercent
DC99
CLVD1
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo8.12e+23 Dyne-cm
Mxx-7.801e+23 Dyne-cm
Mxy2.179e+23 Dyne-cm
Mxz7.724e+21 Dyne-cm
Myy7.743e+23 Dyne-cm
Myz-9.080e+22 Dyne-cm
Mzz5.860e+21 Dyne-cm
Variance Reduction85%
Version number2
Solution time2020/03/18 22:48:44 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP137587
NP230717785

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