NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID21446031
Origin Time2005/03/17 23:21:30
Latitude40.7430
Longitude-124.4780
Depth (TT)26.8 km
Depth (MT; not authoritative)27 km

Magnitudes:
Md3.91 (not authoritative)
Ml3.77 (not authoritative)
Mw4.08 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.5848.850119.580
N0.14477.344253.479
P-1.7288.97428.171

Source Composition:
TypePercent
DC83
CLVD17
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.66e+22 Dyne-cm
Mxx-9.326e+21 Dyne-cm
Mxy-1.364e+22 Dyne-cm
Mxz-3.623e+21 Dyne-cm
Myy8.003e+21 Dyne-cm
Myz5.428e+20 Dyne-cm
Mzz1.323e+21 Dyne-cm
Variance Reduction87%
Version number1
Solution time2012/09/27 22:07:20 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP174-1390
NP2164-18077

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