NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73626516
Origin Time2021/09/18 19:20:31
Latitude38.5468
Longitude-119.4987
Depth (TT)6.8 km
Depth (MT; not authoritative)11 km

Magnitudes:
Md4.04 (not authoritative)
Ml4.25 (not authoritative)
Mw3.97 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.1281.22093.256
N-0.0042.8753.195
P-1.12486.877206.222

Source Composition:
TypePercent
DC99
CLVD1
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.13e+22 Dyne-cm
Mxx-2.600e+19 Dyne-cm
Mxy-6.543e+20 Dyne-cm
Mxz5.332e+20 Dyne-cm
Myy1.123e+22 Dyne-cm
Myz5.097e+20 Dyne-cm
Mzz-1.120e+22 Dyne-cm
Variance Reduction90%
Version number2
Solution time2021/10/05 19:15:09 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP10-9446
NP2186-8644

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