NCSS Moment Tensor Solution

Solution reviewed by Kathryn Materna

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72511186
Origin Time2015/08/23 17:41:19
Latitude38.7843
Longitude-122.7437
Depth (TT)3.5 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.75 (not authoritative)
Ml3.83 (not authoritative)
Mw3.83 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T7.5412.450155.233
N-1.27686.66418.007
P-6.2652.263245.330

Source Composition:
TypePercent
DC66
CLVD34
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo6.90e+21 Dyne-cm
Mxx5.112e+21 Dyne-cm
Mxy-5.237e+21 Dyne-cm
Mxz-2.598e+20 Dyne-cm
Myy-3.845e+21 Dyne-cm
Myz3.366e+20 Dyne-cm
Mzz-1.268e+21 Dyne-cm
Variance Reduction75%
Version number2
Solution time2015/08/23 19:01:17 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP120017790
NP2290087

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