NCSS Moment Tensor Solution

Solution reviewed by William Hawley

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72819101
Origin Time2017/06/21 19:00:20
Latitude37.9097
Longitude-122.2910
Depth (TT)5.0 km
Depth (MT; not authoritative)3.5 km

Magnitudes:
Md3.18 (not authoritative)
Ml3.26 (not authoritative)
Mw3.02 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T4.6657.35299.540
N-0.87579.765235.150
P-3.7897.0818.621

Source Composition:
TypePercent
DC62
CLVD38
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.23e+20 Dyne-cm
Mxx-3.531e+20 Dyne-cm
Mxy-1.316e+20 Dyne-cm
Mxz-4.690e+19 Dyne-cm
Myy4.360e+20 Dyne-cm
Myz6.400e+19 Dyne-cm
Mzz-8.290e+19 Dyne-cm
Variance Reduction63%
Version number1
Solution time2017/06/21 19:47:14 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP12341090
NP214418080

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