NCSS Moment Tensor Solution

Solution reviewed by Kathryn Materna

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72540130
Origin Time2015/10/18 22:31:28
Latitude37.7898
Longitude-121.9643
Depth (TT)8.6 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.1 (not authoritative)
Ml2.94 (not authoritative)
Mw3.26 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T9.0415.815291.189
N1.49875.180178.550
P-10.53913.58422.600

Source Composition:
TypePercent
DC72
CLVD28
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo9.79e+20 Dyne-cm
Mxx-7.220e+20 Dyne-cm
Mxy-6.551e+20 Dyne-cm
Mxz-2.262e+20 Dyne-cm
Myy6.309e+20 Dyne-cm
Myz-1.765e+20 Dyne-cm
Mzz9.110e+19 Dyne-cm
Variance Reduction44%
Version number1
Solution time2015/10/18 23:39:25 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1158-16685
NP266-676

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