NCSS Moment Tensor Solution

Solution reviewed by Sierra

Moment Tensor Diagram
Hypocentral Location:
Event ID21221952
Origin Time2002/04/18 11:35:41
Latitude38.7908
Longitude-122.7742
Depth (TT)2.3 km
Depth (MT; not authoritative)3.5 km fixed

Magnitudes:
Ma3.59 (not authoritative)
Md3.52 (not authoritative)
Ml3.54 (not authoritative)
Mw3.98 (authoritative)

Principal Axes:
Scale1.0E+21 Dyne-cm
AxisValuePlungeAzimuth
T11.63816.517113.398
N0.14758.188354.840
P-11.78526.352211.845

Source Composition:
TypePercent
DC98
CLVD2
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.17e+22 Dyne-cm
Mxx-5.101e+21 Dyne-cm
Mxy-8.144e+21 Dyne-cm
Mxz2.788e+21 Dyne-cm
Myy6.376e+21 Dyne-cm
Myz5.379e+21 Dyne-cm
Mzz-1.275e+21 Dyne-cm
Variance Reduction79%
Version number3
Solution time2013/09/02 17:39:10 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1344-14984
NP2250-859

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