NCSS Moment Tensor Solution

Solution reviewed by Nam Maneerat

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73563860
Origin Time2021/05/17 19:24:40
Latitude39.1270
Longitude-120.0317
Depth (TT)7.2 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md3.52 (not authoritative)
Ml3.58 (not authoritative)
Mw3.35 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T1.39312.775286.551
N-0.15754.70935.234
P-1.23632.259188.323

Source Composition:
TypePercent
DC77
CLVD23
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.31e+21 Dyne-cm
Mxx-7.927e+20 Dyne-cm
Mxy-5.131e+20 Dyne-cm
Mxz5.769e+20 Dyne-cm
Myy1.181e+21 Dyne-cm
Myz-2.500e+20 Dyne-cm
Mzz-3.887e+20 Dyne-cm
Variance Reduction80%
Version number1
Solution time2021/05/17 22:03:26 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1234-3377
NP2332-16558

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