NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram
Hypocentral Location:
Event ID71648616
Origin Time2011/09/17 20:14:56
Latitude38.8263
Longitude-122.8030
Depth (TT)3.5 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Md3.11 (not authoritative)
Ml3.06 (not authoritative)
Mw3.38 (authoritative)

Principal Axes:
Scale1.0e+20 Dyne-cm
AxisValuePlungeAzimuth
T15.13013.872126.963
N-0.91037.36926.092
P-14.22049.264233.626

Source Composition:
TypePercent
DC88
CLVD12
Iso(null)
Moment Tensor:
Mo1.47e+21 Dyne-cm
Mxx2.562e+20 Dyne-cm
Mxy-9.970e+20 Dyne-cm
Mxz1.658e+20 Dyne-cm
Myy5.067e+20 Dyne-cm
Myz8.282e+20 Dyne-cm
Mzz-7.630e+20 Dyne-cm
Variance Reduction43%
Version number1
Solution time2011/09/19 19:50:48 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP19-13169
NP2256-3145

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