NCSS Moment Tensor Solution

Solution reviewed by Taka Taira

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72874215
Origin Time2017/08/22 13:36:58
Latitude37.7920
Longitude-122.6020
Depth (TT)5.3 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.15 (not authoritative)
Ml2.98 (not authoritative)
Mw2.92 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T3.2715.960106.721
N-0.64669.0010.939
P-2.62520.058198.905

Source Composition:
TypePercent
DC61
CLVD39
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.95e+20 Dyne-cm
Mxx-1.888e+20 Dyne-cm
Mxy-1.603e+20 Dyne-cm
Mxz4.870e+19 Dyne-cm
Myy2.725e+20 Dyne-cm
Myz5.940e+19 Dyne-cm
Mzz-8.360e+19 Dyne-cm
Variance Reduction67%
Version number1
Solution time2017/08/31 00:00:41 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1334-16180
NP2241-1072

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