NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID30029004
Origin Time1993/09/21 03:28:55
Latitude42.3077
Longitude-122.0705
Depth (TT)4.9 km
Depth (MT; not authoritative)8 km

Magnitudes:
Ma5.6 (not authoritative)
Md5.57 (not authoritative)
Mw5.95 (authoritative)

Principal Axes:
Scale1.0E+25 Dyne-cm
AxisValuePlungeAzimuth
T1.0384.46574.971
N0.0131.460165.085
P-1.05085.301273.155

Source Composition:
TypePercent
DC98
CLVD2
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.04e+25 Dyne-cm
Mxx8.111e+23 Dyne-cm
Mxy2.556e+24 Dyne-cm
Mxz1.586e+23 Dyne-cm
Myy9.560e+24 Dyne-cm
Myz1.635e+24 Dyne-cm
Mzz-1.037e+25 Dyne-cm
Variance Reduction86%
Version number1
Solution time2015/11/10 22:36:04 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1346-8849
NP2163-9241

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