NCSS Moment Tensor Solution

Solution reviewed by William Hawley

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID72490826
Origin Time2015/07/21 09:41:14
Latitude37.5777
Longitude-121.9740
Depth (TT)8.4 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md4.11 (not authoritative)
Ml4.14 (not authoritative)
Mw3.98 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T11.16334.601309.355
N0.59455.107137.798
P-11.7563.96442.096

Source Composition:
TypePercent
DC90
CLVD10
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.15e+22 Dyne-cm
Mxx-3.294e+21 Dyne-cm
Mxy-9.625e+21 Dyne-cm
Mxz2.501e+21 Dyne-cm
Myy-6.484e+20 Dyne-cm
Myz-4.391e+21 Dyne-cm
Mzz3.943e+21 Dyne-cm
Variance Reduction89%
Version number2
Solution time2015/07/21 13:58:45 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP135115169
NP2912363

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