NCSS Moment Tensor Solution

Solution reviewed by Qingkai Kong

Moment Tensor Diagram
Hypocentral Location:
Event ID72979736
Origin Time2018/03/06 12:38:17
Latitude37.0033
Longitude-121.4630
Depth (TT)8.1 km
Depth (MT; not authoritative)8 km fixed

Magnitudes:
Md3.32 (not authoritative)
Ml3.56 (not authoritative)
Mw3.31 (authoritative)

Principal Axes:
Scale1.0E+20 Dyne-cm
AxisValuePlungeAzimuth
T11.63110.115314.000
N-0.20256.79959.820
P-11.43031.242217.787

Source Composition:
TypePercent
DC97
CLVD3
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.15e+21 Dyne-cm
Mxx2.060e+19 Dyne-cm
Mxy-9.705e+20 Dyne-cm
Mxz5.356e+20 Dyne-cm
Myy2.651e+20 Dyne-cm
Myz1.579e+20 Dyne-cm
Mzz-2.857e+20 Dyne-cm
Variance Reduction56%
Version number1
Solution time2018/03/06 13:25:31 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1262-3076
NP20-16461

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