NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID40232728
Origin Time2009/03/05 23:06:26
Latitude38.8312
Longitude-122.7848
Depth (TT)0.5 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.24 (not authoritative)
Ml3.22 (not authoritative)
Mw3.34 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.5203.856128.675
N-0.46510.429219.386
P-1.05478.86618.650

Source Composition:
TypePercent
DC39
CLVD61
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.29e+21 Dyne-cm
Mxx2.865e+20 Dyne-cm
Mxy-9.707e+20 Dyne-cm
Mxz-1.889e+20 Dyne-cm
Myy7.367e+20 Dyne-cm
Myz6.830e+19 Dyne-cm
Mzz-1.023e+21 Dyne-cm
Variance Reduction49%
Version number2
Solution time2009/12/09 19:29:21 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP148-7650
NP2208-10642

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