NCSS Moment Tensor Solution

Solution reviewed by Jennifer

Moment Tensor Diagram
Hypocentral Location:
Event ID21396555
Origin Time2004/09/19 06:58:04
Latitude38.0075
Longitude-118.6793
Depth (TT)5.0 km
Depth (MT; not authoritative)11 km fixed

Magnitudes:
Md3.78 (not authoritative)
Ml3.93 (not authoritative)
Mw3.91 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T9.28922.254296.316
N-0.04967.701120.174
P-9.2401.35426.871

Source Composition:
TypePercent
DC99
CLVD1
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo9.26e+21 Dyne-cm
Mxx-5.786e+21 Dyne-cm
Mxy-6.882e+21 Dyne-cm
Mxz1.257e+21 Dyne-cm
Myy4.501e+21 Dyne-cm
Myz-3.032e+21 Dyne-cm
Mzz1.285e+21 Dyne-cm
Variance Reduction92%
Version number1
Solution time2009/10/23 19:31:38 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP133916375
NP2741573

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