NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73139336
Origin Time2019/02/03 22:18:13
Latitude40.2893
Longitude-124.4742
Depth (TT)7.3 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md4.23 (not authoritative)
Ml4.12 (not authoritative)
Mw4.48 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T6.92934.92438.864
N-0.69449.203182.862
P-6.23518.354295.469

Source Composition:
TypePercent
DC80
CLVD20
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo6.58e+22 Dyne-cm
Mxx1.490e+22 Dyne-cm
Mxy4.442e+22 Dyne-cm
Mxz2.074e+22 Dyne-cm
Myy-2.745e+22 Dyne-cm
Myz3.740e+22 Dyne-cm
Mzz1.255e+22 Dyne-cm
Variance Reduction90%
Version number7
Solution time2019/03/05 21:16:38 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP11704080
NP27216651

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