NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram
Hypocentral Location:
Event ID71906161
Origin Time2012/12/17 00:03:27
Latitude38.7878
Longitude-122.7630
Depth (TT)2.3 km
Depth (MT; not authoritative)1.5 km fixed

Magnitudes:
Md2.98 (not authoritative)
Ml2.99 (not authoritative)
Mw3.09 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T5.6845.916282.933
N-0.70973.427172.556
P-4.97515.42514.571

Source Composition:
TypePercent
DC75
CLVD25
Iso(null)
Moment Tensor:
Mo5.33e+20 Dyne-cm
Mxx-4.106e+20 Dyne-cm
Mxy-2.345e+20 Dyne-cm
Mxz-9.120e+19 Dyne-cm
Myy5.048e+20 Dyne-cm
Myz-9.140e+19 Dyne-cm
Mzz-9.430e+19 Dyne-cm
Variance Reduction60%
Version number1
Solution time2012/12/18 21:00:39 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1150-16583
NP258-775

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