NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID553483
Origin Time1998/01/25 16:42:15
Latitude41.0892
Longitude-121.9212
Depth (TT)-1.7 km
Depth (MT; not authoritative)3.5 km

Magnitudes:
Ma3.58 (not authoritative)
Md3.43 (not authoritative)
Mw3.49 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T2.3282.76980.334
N-0.3859.033170.775
P-1.94380.545333.451

Source Composition:
TypePercent
DC67
CLVD33
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.14e+21 Dyne-cm
Mxx-3.422e+20 Dyne-cm
Mxy4.648e+20 Dyne-cm
Mxz-2.039e+20 Dyne-cm
Myy2.237e+21 Dyne-cm
Myz2.419e+20 Dyne-cm
Mzz-1.895e+21 Dyne-cm
Variance Reduction39%
Version number1
Solution time2022/02/17 18:19:43 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1359-7848
NP2161-10343

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