NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID40194055
Origin Time2007/03/02 04:40:01
Latitude37.8965
Longitude-122.1113
Depth (TT)16.0 km
Depth (MT; not authoritative)14 km

Magnitudes:
Md4.32 (not authoritative)
Ml4.42 (not authoritative)
Mw4.23 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.7982.127310.115
N-0.03286.632180.989
P-2.7672.61040.212

Source Composition:
TypePercent
DC98
CLVD2
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.78e+22 Dyne-cm
Mxx-4.500e+21 Dyne-cm
Mxy-2.738e+22 Dyne-cm
Mxz-2.739e+20 Dyne-cm
Myy4.836e+21 Dyne-cm
Myz-1.606e+21 Dyne-cm
Mzz-3.358e+20 Dyne-cm
Variance Reduction76%
Version number2
Solution time2011/07/25 18:26:34 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1175-17790
NP285087

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