NCSS Moment Tensor Solution

Solution reviewed by Fabia Terra

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72822096
Origin Time2017/06/27 09:09:22
Latitude39.4692
Longitude-120.3340
Depth (TT)-1.2 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md4.13 (not authoritative)
Ml4.26 (not authoritative)
Mw3.95 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.0832.142270.720
N-0.10673.6988.067
P-0.97716.153180.100

Source Composition:
TypePercent
DC80
CLVD20
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.03e+22 Dyne-cm
Mxx-9.093e+21 Dyne-cm
Mxy-1.632e+20 Dyne-cm
Mxz2.334e+21 Dyne-cm
Myy1.081e+22 Dyne-cm
Myz-4.397e+20 Dyne-cm
Mzz-1.715e+21 Dyne-cm
Variance Reduction73%
Version number4
Solution time2017/06/27 18:33:47 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1224-1380
NP2317-17077

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