NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram
Hypocentral Location:
Event ID51221777
Origin Time2009/05/18 11:40:34
Latitude38.8187
Longitude-122.8180
Depth (TT)1.5 km
Depth (MT; not authoritative)5 km fixed

Magnitudes:
Md3.07 (not authoritative)
Ml3.11 (not authoritative)
Mw3.37 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.41412.127131.918
N-0.01277.542325.354
P-1.4022.809222.522

Source Composition:
TypePercent
DC98
CLVD2
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.41e+21 Dyne-cm
Mxx-1.568e+20 Dyne-cm
Mxy-1.368e+21 Dyne-cm
Mxz-1.456e+20 Dyne-cm
Myy1.094e+20 Dyne-cm
Myz2.640e+20 Dyne-cm
Mzz4.740e+19 Dyne-cm
Variance Reduction69%
Version number1
Solution time2009/05/18 19:46:11 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP117716983
NP2268779

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