NCSS Moment Tensor Solution

Solution reviewed by Sierra

Moment Tensor Diagram
Hypocentral Location:
Event ID30180424
Origin Time1998/06/18 23:24:40
Latitude38.7942
Longitude-122.7400
Depth (TT)3.8 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Ma3.63 (not authoritative)
Md3.55 (not authoritative)
Mw3.75 (authoritative)

Principal Axes:
Scale1.0e+21 Dyne-cm
AxisValuePlungeAzimuth
T5.71312.420119.940
N-0.87533.083218.189
P-4.83754.07712.243

Source Composition:
TypePercent
DC70
CLVD30
Iso(null)
Moment Tensor:
Mo5.27e+21 Dyne-cm
Mxx-6.139e+20 Dyne-cm
Mxy-2.986e+21 Dyne-cm
Mxz-2.528e+21 Dyne-cm
Myy3.782e+21 Dyne-cm
Myz7.858e+20 Dyne-cm
Mzz-3.168e+21 Dyne-cm
Variance Reduction67%
Version number126
Solution time2011/07/19 22:39:56 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP156-5365
NP2175-14244

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