NCSS Moment Tensor Solution

Solution reviewed by Sarina Patel

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73511455
Origin Time2021/01/15 22:11:08
Latitude37.9133
Longitude-118.5398
Depth (TT)1.1 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.79 (not authoritative)
Ml3.95 (not authoritative)
Mw3.9 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T7.97017.637105.855
N1.59971.994273.863
P-9.5693.50914.738

Source Composition:
TypePercent
DC67
CLVD33
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo8.77e+21 Dyne-cm
Mxx-8.375e+21 Dyne-cm
Mxy-4.258e+21 Dyne-cm
Mxz-1.162e+21 Dyne-cm
Myy6.233e+21 Dyne-cm
Myz1.596e+21 Dyne-cm
Mzz2.142e+21 Dyne-cm
Variance Reduction75%
Version number2
Solution time2021/01/15 22:45:29 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP12421580
NP214917075

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