NCSS Moment Tensor Solution

Solution reviewed by Rick

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID51215571
Origin Time2009/01/20 08:57:23
Latitude36.6987
Longitude-121.3300
Depth (TT)4.2 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.51 (not authoritative)
Ml3.55 (not authoritative)
Mw3.49 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.04135.184113.525
N0.14454.486284.584
P-2.1854.23120.535

Source Composition:
TypePercent
DC87
CLVD13
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.11e+21 Dyne-cm
Mxx-1.686e+21 Dyne-cm
Mxy-1.225e+21 Dyne-cm
Mxz-5.171e+20 Dyne-cm
Myy9.244e+20 Dyne-cm
Myz7.590e+20 Dyne-cm
Mzz7.613e+20 Dyne-cm
Variance Reduction61%
Version number2
Solution time2009/08/21 18:42:32 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP12522969
NP215115663

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