NCSS Moment Tensor Solution

Solution reviewed by Amanda

Moment Tensor Diagram
Hypocentral Location:
Event ID21098249
Origin Time2000/05/17 22:32:08
Latitude39.3920
Longitude-123.0678
Depth (TT)6.7 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Ma4.12 (not authoritative)
Md4.13 (not authoritative)
Ml4.05 (not authoritative)
Mw4.39 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T4.71612.197101.091
N-0.01877.782277.697
P-4.6980.70210.939

Source Composition:
TypePercent
DC99
CLVD1
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.71e+22 Dyne-cm
Mxx-4.362e+22 Dyne-cm
Mxy-1.726e+22 Dyne-cm
Mxz-2.443e+21 Dyne-cm
Myy4.169e+22 Dyne-cm
Myz9.484e+21 Dyne-cm
Mzz1.929e+21 Dyne-cm
Variance Reduction82%
Version number5
Solution time2012/02/08 22:40:27 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1237982
NP214517281

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