NCSS Moment Tensor Solution

Solution reviewed by Alex Robson

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73315876
Origin Time2019/12/17 18:29:21
Latitude35.8068
Longitude-120.3530
Depth (TT)6.3 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md4.26 (not authoritative)
Ml4.42 (not authoritative)
Mw4.29 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T3.4931.61596.732
N-0.27868.617190.862
P-3.21521.3166.101

Source Composition:
TypePercent
DC84
CLVD16
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo3.35e+22 Dyne-cm
Mxx-2.746e+22 Dyne-cm
Mxy-7.081e+21 Dyne-cm
Mxz-1.001e+22 Dyne-cm
Myy3.410e+22 Dyne-cm
Myz-1.700e+18 Dyne-cm
Mzz-6.632e+21 Dyne-cm
Variance Reduction85%
Version number2
Solution time2019/12/17 19:18:16 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP149-1776
NP2143-16674

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