NCSS Moment Tensor Solution

Solution reviewed by Sarina Patel

Moment Tensor Diagram
Hypocentral Location:
Event ID73902356
Origin Time2023/06/18 03:44:59
Latitude39.0895
Longitude-123.0897
Depth (TT)8.4 km
Depth (MT; not authoritative)11 km fixed

Magnitudes:
Md4.12 (not authoritative)
Ml4.21 (not authoritative)
Mw4.35 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T4.20721.081282.702
N-0.08068.800109.057
P-4.1272.14013.527

Source Composition:
TypePercent
DC96
CLVD4
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo4.17e+22 Dyne-cm
Mxx-3.719e+22 Dyne-cm
Mxy-1.719e+22 Dyne-cm
Mxz1.695e+21 Dyne-cm
Myy3.251e+22 Dyne-cm
Myz-1.439e+22 Dyne-cm
Mzz4.688e+21 Dyne-cm
Variance Reduction92%
Version number2
Solution time2023/06/18 04:33:02 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP132616377
NP2601474

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