NCSS Moment Tensor Solution

Solution reviewed by Sevan Adourian

Moment Tensor Diagram
Hypocentral Location:
Event ID73526151
Origin Time2021/02/22 01:38:14
Latitude37.0453
Longitude-121.4815
Depth (TT)6.9 km
Depth (MT; not authoritative)11 km fixed

Magnitudes:
Md3.77 (not authoritative)
Ml3.85 (not authoritative)
Mw3.76 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T5.0866.619283.450
N0.82876.96343.528
P-5.91411.180192.136

Source Composition:
TypePercent
DC72
CLVD28
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo5.50e+21 Dyne-cm
Mxx-5.147e+21 Dyne-cm
Mxy-2.284e+21 Dyne-cm
Mxz1.367e+21 Dyne-cm
Myy4.515e+21 Dyne-cm
Myz-2.045e+20 Dyne-cm
Mzz6.314e+20 Dyne-cm
Variance Reduction83%
Version number2
Solution time2021/02/22 02:17:37 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1237-1387
NP2328-17777

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