NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram
Hypocentral Location:
Event ID71800566
Origin Time2012/06/13 13:25:03
Latitude40.8647
Longitude-123.4797
Depth (TT)21.9 km
Depth (MT; not authoritative)18 km fixed

Magnitudes:
Md3.34 (not authoritative)
Ml3.36 (not authoritative)
Mw3.4 (authoritative)

Principal Axes:
Scale1.0e+20 Dyne-cm
AxisValuePlungeAzimuth
T15.66424.156118.769
N-0.29324.830220.747
P-15.37154.101350.482

Source Composition:
TypePercent
DC96
CLVD4
Iso(null)
Moment Tensor:
Mo1.55e+21 Dyne-cm
Mxx-2.258e+20 Dyne-cm
Mxy-4.759e+20 Dyne-cm
Mxz-9.931e+20 Dyne-cm
Myy9.773e+20 Dyne-cm
Myz6.407e+20 Dyne-cm
Mzz-7.515e+20 Dyne-cm
Variance Reduction71%
Version number1
Solution time2012/06/13 16:48:40 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP149-6474
NP2169-14630

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