NCSS Moment Tensor Solution

Solution reviewed by Li-Wei Chen

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73174010
Origin Time2019/04/29 17:37:01
Latitude37.4177
Longitude-118.3630
Depth (TT)7.2 km
Depth (MT; not authoritative)8 km

Magnitudes:
Md3.91 (not authoritative)
Ml3.88 (not authoritative)
Mw3.8 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T6.0077.846283.591
N0.27268.95134.574
P-6.27919.403190.809

Source Composition:
TypePercent
DC91
CLVD9
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo6.14e+21 Dyne-cm
Mxx-5.040e+21 Dyne-cm
Mxy-2.359e+21 Dyne-cm
Mxz2.198e+21 Dyne-cm
Myy5.384e+21 Dyne-cm
Myz-3.690e+20 Dyne-cm
Mzz-3.443e+20 Dyne-cm
Variance Reduction69%
Version number1
Solution time2019/04/29 18:02:28 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1236-2082
NP2329-17271

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