NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID21455182
Origin Time2005/05/08 08:43:55
Latitude38.3783
Longitude-122.1623
Depth (TT)8.5 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md4.19 (not authoritative)
Ml4.16 (not authoritative)
Mw4.14 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.05911.016126.560
N-0.05376.547271.027
P-2.0067.62735.067

Source Composition:
TypePercent
DC95
CLVD5
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.03e+22 Dyne-cm
Mxx-6.160e+21 Dyne-cm
Mxy-1.876e+22 Dyne-cm
Mxz-4.462e+21 Dyne-cm
Myy6.267e+21 Dyne-cm
Myz1.707e+21 Dyne-cm
Mzz-1.075e+20 Dyne-cm
Variance Reduction88%
Version number4
Solution time2009/04/20 22:52:49 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP12611388
NP217117877

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