Hypocentral Location:

Event ID	71729135
Origin Time	2012/02/13 04:47:13
Latitude	38.7927
Longitude	-122.7432
Depth (TT)	0.5 km
Depth (MT; not authoritative)	1.5 km fixed

Magnitudes:

Md	3.93 (not authoritative)
Ml	3.93 (not authoritative)
Mw	4.16 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	2.588	1.427	111.624
N	-0.875	86.321	224.427
P	-1.713	3.390	21.539

Source Composition:

Type	Percent
DC	32
CLVD	68
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	2.15e+22 Dyne-cm
Mxx	-1.127e+22 Dyne-cm
Mxy	-1.471e+22 Dyne-cm
Mxz	-7.777e+20 Dyne-cm
Myy	2.003e+22 Dyne-cm
Myz	6.202e+20 Dyne-cm
Mzz	-8.759e+21 Dyne-cm
Variance Reduction	72%
Version number	6
Solution time	2012/05/17 06:01:55 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	67	-3	89
NP2	157	-179	87

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