NCSS Moment Tensor Solution

Solution reviewed by Kathryn Materna

Moment Tensor Diagram
Hypocentral Location:
Event ID72670070
Origin Time2016/08/04 04:58:33
Latitude40.1507
Longitude-120.2153
Depth (TT)5.3 km
Depth (MT; not authoritative)14 km fixed

Magnitudes:
Md4.03 (not authoritative)
Ml4.21 (not authoritative)
Mw3.99 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.19517.864270.140
N-0.00366.72748.675
P-1.19214.419175.387

Source Composition:
TypePercent
DC99
CLVD1
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.19e+22 Dyne-cm
Mxx-1.111e+22 Dyne-cm
Mxy8.672e+20 Dyne-cm
Mxz2.866e+21 Dyne-cm
Myy1.075e+22 Dyne-cm
Myz-3.730e+21 Dyne-cm
Mzz3.574e+20 Dyne-cm
Variance Reduction86%
Version number1
Solution time2016/08/04 06:29:56 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1432388
NP231217767

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