Hypocentral Location:

Event ID	71919701
Origin Time	2013/01/11 10:46:03
Latitude	39.7808
Longitude	-123.5667
Depth (TT)	8.3 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.04 (not authoritative)
Ml	3.17 (not authoritative)
Mw	3.31 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.182	16.877	256.663
N	-0.046	56.819	139.021
P	-1.136	27.642	355.806

Source Composition:

Type	Percent
DC	92
CLVD	8
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.16e+21 Dyne-cm
Mxx	-8.372e+20 Dyne-cm
Mxy	3.149e+20 Dyne-cm
Mxz	-5.256e+20 Dyne-cm
Myy	1.014e+21 Dyne-cm
Myz	-2.993e+20 Dyne-cm
Mzz	-1.772e+20 Dyne-cm
Variance Reduction	54%
Version number	1
Solution time	2013/01/12 00:56:22 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	128	-147	83
NP2	34	-8	58

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