NCSS Moment Tensor Solution

Solution reviewed by Prajna Paramita Das

Moment Tensor Diagram
Hypocentral Location:
Event ID73948665
Origin Time2023/10/18 16:29:15
Latitude38.1262
Longitude-121.6323
Depth (TT)10.8 km
Depth (MT; not authoritative)14 km fixed

Magnitudes:
Md4.83 (not authoritative)
Ml4.5 (not authoritative)
Mw4.24 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.71311.760325.987
N0.27376.136113.499
P-2.9877.239234.472

Source Composition:
TypePercent
DC82
CLVD18
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.85e+22 Dyne-cm
Mxx7.968e+21 Dyne-cm
Mxy-2.602e+22 Dyne-cm
Mxz6.404e+21 Dyne-cm
Myy-1.120e+22 Dyne-cm
Myz5.932e+20 Dyne-cm
Mzz3.230e+21 Dyne-cm
Variance Reduction82%
Version number2
Solution time2023/10/18 18:27:38 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP11011487
NP21017777

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