NCSS Moment Tensor Solution

Solution reviewed by Jastrauss

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72766046
Origin Time2017/02/21 00:57:53
Latitude38.7958
Longitude-122.7340
Depth (TT)0.9 km
Depth (MT; not authoritative)3.5 km

Magnitudes:
Md3.85 (not authoritative)
Ml3.86 (not authoritative)
Mw4.16 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.41618.54395.501
N-0.56538.657349.937
P-1.85145.497205.457

Source Composition:
TypePercent
DC53
CLVD47
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.13e+22 Dyne-cm
Mxx-1.055e+22 Dyne-cm
Mxy-5.009e+21 Dyne-cm
Mxz4.946e+21 Dyne-cm
Myy1.973e+22 Dyne-cm
Myz1.171e+22 Dyne-cm
Mzz-9.176e+21 Dyne-cm
Variance Reduction82%
Version number2
Solution time2017/02/21 02:07:54 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1336-13174
NP2228-2443

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