NCSS Moment Tensor Solution

Solution reviewed by Peggy

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID71048354
Origin Time2011/02/23 04:50:14
Latitude39.4938
Longitude-122.9565
Depth (TT)9.9 km
Depth (MT; not authoritative)14 km

Magnitudes:
Md4.55 (not authoritative)
Ml4.03 (not authoritative)
Mw4.21 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T2.8177.106111.772
N-0.56482.615275.914
P-2.2531.99721.523

Source Composition:
TypePercent
DC60
CLVD40
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo2.53e+22 Dyne-cm
Mxx-1.566e+22 Dyne-cm
Mxy-1.722e+22 Dyne-cm
Mxz-2.087e+21 Dyne-cm
Myy2.080e+22 Dyne-cm
Myz3.639e+21 Dyne-cm
Mzz-5.145e+21 Dyne-cm
Variance Reduction85%
Version number2
Solution time2011/02/24 19:47:24 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1247686
NP215617684

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