NCSS Moment Tensor Solution

Solution reviewed by Aurelie

Moment Tensor Diagram
Hypocentral Location:
Event ID71324305
Origin Time2009/12/20 12:26:26
Latitude38.7883
Longitude-122.7683
Depth (TT)3.7 km
Depth (MT; not authoritative)5 km fixed

Magnitudes:
Md3.54 (not authoritative)
Ml3.62 (not authoritative)
Mw3.77 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T5.74526.597142.953
N-0.07055.470279.647
P-5.67520.34442.254

Source Composition:
TypePercent
DC98
CLVD2
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo5.71e+21 Dyne-cm
Mxx1.922e+20 Dyne-cm
Mxy-4.688e+21 Dyne-cm
Mxz-3.210e+21 Dyne-cm
Myy-6.104e+20 Dyne-cm
Myz1.740e+20 Dyne-cm
Mzz4.182e+20 Dyne-cm
Variance Reduction78%
Version number4
Solution time2009/12/20 18:46:04 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP12743486
NP218117556

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