NCSS Moment Tensor Solution

Solution reviewed by Ingrid

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71864295
Origin Time2012/10/21 20:40:08
Latitude40.9020
Longitude-123.9267
Depth (TT)21.7 km
Depth (MT; not authoritative)27 km

Magnitudes:
Md3.42 (not authoritative)
Ml3.49 (not authoritative)
Mw3.55 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.5952.625307.137
N0.1426.337216.845
P-2.73783.13759.528

Source Composition:
TypePercent
DC90
CLVD10
Iso(null)
Moment Tensor:
Mo2.67e+21 Dyne-cm
Mxx1.024e+21 Dyne-cm
Mxy-1.196e+21 Dyne-cm
Mxz-1.055e+20 Dyne-cm
Myy1.667e+21 Dyne-cm
Myz-3.839e+20 Dyne-cm
Mzz-2.691e+21 Dyne-cm
Variance Reduction43%
Version number1
Solution time2012/10/21 21:51:05 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1211-9948
NP244-8143

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