NCSS Moment Tensor Solution

Solution reviewed by Holly

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71741671
Origin Time2012/02/25 05:17:15
Latitude40.2863
Longitude-124.3232
Depth (TT)20.0 km
Depth (MT; not authoritative)30 km

Magnitudes:
Md3.8 (not authoritative)
Ml3.96 (not authoritative)
Mw4.28 (authoritative)

Principal Axes:
Scale1.0e+22 Dyne-cm
AxisValuePlungeAzimuth
T3.30310.57453.319
N-0.12178.936250.630
P-3.1813.218143.920

Source Composition:
TypePercent
DC93
CLVD7
Iso(null)
Moment Tensor:
Mo3.24e+22 Dyne-cm
Mxx-9.331e+21 Dyne-cm
Mxy3.037e+22 Dyne-cm
Mxz5.076e+21 Dyne-cm
Myy9.489e+21 Dyne-cm
Myz3.944e+21 Dyne-cm
Mzz-1.582e+20 Dyne-cm
Variance Reduction85%
Version number2
Solution time2012/02/25 06:15:54 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP19817085
NP2189580

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