NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram
Hypocentral Location:
Event ID332716
Origin Time1993/01/19 00:24:29
Latitude38.8460
Longitude-122.7778
Depth (TT)2.4 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Ma3.53 (not authoritative)
Md3.56 (not authoritative)
Mw3.66 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T4.2732.175295.729
N-0.82111.87926.187
P-3.45277.918195.508

Source Composition:
TypePercent
DC62
CLVD38
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo3.86e+21 Dyne-cm
Mxx3.040e+19 Dyne-cm
Mxy-2.019e+21 Dyne-cm
Mxz6.027e+20 Dyne-cm
Myy3.299e+21 Dyne-cm
Myz-3.010e+19 Dyne-cm
Mzz-3.329e+21 Dyne-cm
Variance Reduction61%
Version number1
Solution time2011/08/02 16:58:10 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1217-7448
NP214-10744

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