NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73157855
Origin Time2019/03/29 04:55:26
Latitude40.4323
Longitude-124.4303
Depth (TT)25.0 km
Depth (MT; not authoritative)30 km

Magnitudes:
Md3.9 (not authoritative)
Ml4.16 (not authoritative)
Mw4.19 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.4355.03382.650
N-0.01982.951307.234
P-2.4164.923173.085

Source Composition:
TypePercent
DC98
CLVD2
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.43e+22 Dyne-cm
Mxx-2.324e+22 Dyne-cm
Mxy5.933e+21 Dyne-cm
Mxz2.308e+21 Dyne-cm
Myy2.342e+22 Dyne-cm
Myz1.880e+21 Dyne-cm
Mzz-1.802e+20 Dyne-cm
Variance Reduction83%
Version number2
Solution time2019/03/29 05:40:29 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP112817390
NP2218083

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