NCSS Moment Tensor Solution

Solution reviewed by Rob

Moment Tensor Diagram
Hypocentral Location:
Event ID71566046
Origin Time2011/04/26 17:43:08
Latitude38.8127
Longitude-122.8173
Depth (TT)2.7 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.48 (not authoritative)
Ml3.51 (not authoritative)
Mw3.9 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T9.4444.390129.773
N-1.28077.827240.624
P-8.16411.33138.892

Source Composition:
TypePercent
DC73
CLVD27
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo8.80e+21 Dyne-cm
Mxx-9.261e+20 Dyne-cm
Mxy-8.476e+21 Dyne-cm
Mxz-1.556e+21 Dyne-cm
Myy2.409e+21 Dyne-cm
Myz-2.036e+20 Dyne-cm
Mzz-1.482e+21 Dyne-cm
Variance Reduction76%
Version number2
Solution time2011/04/26 17:55:37 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP184-1185
NP2175-17579

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