NCSS Moment Tensor Solution

Solution reviewed by Amanda

Moment Tensor Diagram
Hypocentral Location:
Event ID21120807
Origin Time2000/08/21 04:45:14
Latitude39.3343
Longitude-123.0350
Depth (TT)10.7 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Ma3.7 (not authoritative)
Md3.9 (not authoritative)
Ml3.71 (not authoritative)
Mw3.97 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.06612.565281.617
N0.13067.82544.766
P-1.19617.966187.472

Source Composition:
TypePercent
DC78
CLVD22
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.13e+22 Dyne-cm
Mxx-1.013e+22 Dyne-cm
Mxy-3.307e+21 Dyne-cm
Mxz4.257e+21 Dyne-cm
Myy9.655e+21 Dyne-cm
Myz-1.442e+21 Dyne-cm
Mzz4.790e+20 Dyne-cm
Variance Reduction87%
Version number4
Solution time2012/02/19 03:08:40 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1234-2286
NP2325-17668

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