NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71743876
Origin Time2012/02/29 05:00:33
Latitude41.1412
Longitude-123.7950
Depth (TT)30.6 km
Depth (MT; not authoritative)30 km

Magnitudes:
Md3.75 (not authoritative)
Ml3.52 (not authoritative)
Mw3.73 (authoritative)

Principal Axes:
Scale1.0e+21 Dyne-cm
AxisValuePlungeAzimuth
T5.50128.17260.741
N-1.05717.584160.512
P-4.44455.910278.432

Source Composition:
TypePercent
DC62
CLVD38
Iso(null)
Moment Tensor:
Mo4.97e+21 Dyne-cm
Mxx1.374e+20 Dyne-cm
Mxy2.328e+21 Dyne-cm
Mxz1.104e+21 Dyne-cm
Myy1.781e+21 Dyne-cm
Myz3.936e+21 Dyne-cm
Mzz-1.918e+21 Dyne-cm
Variance Reduction50%
Version number1
Solution time2012/02/29 05:21:17 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1345-7275
NP2113-14023

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