Hypocentral Location:

Event ID	71906161
Origin Time	2012/12/17 00:03:27
Latitude	38.7878
Longitude	-122.7630
Depth (TT)	1.4 km
Depth (MT; not authoritative)	1.5 km fixed

Magnitudes:

Md	2.98 (not authoritative)
Ml	2.99 (not authoritative)
Mw	3.09 (authoritative)

Principal Axes:

Scale	1.0E+20 Dyne-cm
Axis	Value	Plunge	Azimuth
T	5.684	5.916	282.933
N	-0.709	73.427	172.556
P	-4.975	15.425	14.571

Source Composition:

Type	Percent
DC	75
CLVD	25
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	5.33e+20 Dyne-cm
Mxx	-4.106e+20 Dyne-cm
Mxy	-2.345e+20 Dyne-cm
Mxz	-9.120e+19 Dyne-cm
Myy	5.048e+20 Dyne-cm
Myz	-9.140e+19 Dyne-cm
Mzz	-9.430e+19 Dyne-cm
Variance Reduction	60%
Version number	1
Solution time	2012/12/18 21:00:39 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	150	-165	83
NP2	58	-7	75

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