NCSS Moment Tensor Solution

Solution reviewed by William Hawley

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72756770
Origin Time2017/01/27 19:08:30
Latitude38.7923
Longitude-122.7587
Depth (TT)2.6 km
Depth (MT; not authoritative)1.5 km

Magnitudes:
Md3.73 (not authoritative)
Ml3.76 (not authoritative)
Mw3.89 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T9.4011.322260.169
N-1.94462.426352.702
P-7.45727.537169.480

Source Composition:
TypePercent
DC59
CLVD41
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo8.43e+21 Dyne-cm
Mxx-5.804e+21 Dyne-cm
Mxy2.686e+21 Dyne-cm
Mxz2.178e+21 Dyne-cm
Myy8.920e+21 Dyne-cm
Myz-6.705e+20 Dyne-cm
Mzz-3.116e+21 Dyne-cm
Variance Reduction76%
Version number2
Solution time2017/01/27 21:49:39 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1211-2172
NP2308-16170

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