NCSS Moment Tensor Solution

Solution reviewed by Diego Melgar

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72574495
Origin Time2016/01/07 05:49:52
Latitude40.2732
Longitude-124.3395
Depth (TT)16.9 km
Depth (MT; not authoritative)18 km

Magnitudes:
Md4.12 (not authoritative)
Ml3.97 (not authoritative)
Mw4.31 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T3.81078.19016.297
N-0.2593.504123.325
P-3.55111.264214.023

Source Composition:
TypePercent
DC86
CLVD14
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo3.68e+22 Dyne-cm
Mxx-2.277e+22 Dyne-cm
Mxy-1.423e+22 Dyne-cm
Mxz1.305e+22 Dyne-cm
Myy-1.237e+22 Dyne-cm
Myz5.817e+21 Dyne-cm
Mzz3.514e+22 Dyne-cm
Variance Reduction81%
Version number2
Solution time2016/01/07 07:19:27 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP11218656
NP23099634

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