Hypocentral Location:

Event ID	71720790
Origin Time	2012/01/30 03:56:17
Latitude	38.8252
Longitude	-122.7992
Depth (TT)	3.1 km
Depth (MT; not authoritative)	5 km fixed

Magnitudes:

Md	3.12 (not authoritative)
Ml	2.9 (not authoritative)
Mw	3.31 (authoritative)

Principal Axes:

Scale	1.0E+20 Dyne-cm
Axis	Value	Plunge	Azimuth
T	11.016	15.030	115.629
N	0.713	27.208	213.563
P	-11.729	58.289	359.871

Source Composition:

Type	Percent
DC	88
CLVD	12
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.14e+21 Dyne-cm
Mxx	-9.270e+19 Dyne-cm
Mxy	-3.740e+20 Dyne-cm
Mxz	-6.680e+20 Dyne-cm
Myy	8.525e+20 Dyne-cm
Myz	2.339e+20 Dyne-cm
Mzz	-7.599e+20 Dyne-cm
Variance Reduction	44%
Version number	5
Solution time	2012/02/05 00:15:17 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	47	-60	65
NP2	173	-138	38

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