NCSS Moment Tensor Solution

Solution reviewed by Alex Robson

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73078235
Origin Time2018/08/30 22:08:10
Latitude39.2317
Longitude-120.1125
Depth (TT)0.7 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.85 (not authoritative)
Ml4.07 (not authoritative)
Mw3.75 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T5.6058.425109.990
N-0.64665.0141.458
P-4.95923.339203.654

Source Composition:
TypePercent
DC77
CLVD23
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo5.28e+21 Dyne-cm
Mxx-2.982e+21 Dyne-cm
Mxy-3.301e+21 Dyne-cm
Mxz1.127e+21 Dyne-cm
Myy4.170e+21 Dyne-cm
Myz1.481e+21 Dyne-cm
Mzz-1.189e+21 Dyne-cm
Variance Reduction69%
Version number1
Solution time2018/08/30 23:06:22 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1339-15780
NP2245-1167

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