NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71401831
Origin Time2010/05/21 03:18:45
Latitude38.7897
Longitude-122.7355
Depth (TT)1.4 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md2.91 (not authoritative)
Mw3.02 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T4.3637.006137.462
N-0.28982.671300.291
P-4.0742.14247.198

Source Composition:
TypePercent
DC87
CLVD13
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.22e+20 Dyne-cm
Mxx4.540e+19 Dyne-cm
Mxy-4.167e+20 Dyne-cm
Mxz-5.110e+19 Dyne-cm
Myy-2.290e+19 Dyne-cm
Myz2.770e+19 Dyne-cm
Mzz-2.250e+19 Dyne-cm
Variance Reduction45%
Version number1
Solution time2010/05/21 17:54:06 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1273687
NP218217784

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