Hypocentral Location:

Event ID	71776130
Origin Time	2012/05/05 09:23:23
Latitude	38.7957
Longitude	-122.7608
Depth (TT)	1.8 km
Depth (MT; not authoritative)	3.5 km fixed

Magnitudes:

Md	3.95 (not authoritative)
Ml	4.04 (not authoritative)
Mw	4.25 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	3.321	7.006	276.920
N	-0.658	76.877	155.112
P	-2.663	11.041	8.294

Source Composition:

Type	Percent
DC	60
CLVD	40
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	2.99e+22 Dyne-cm
Mxx	-2.492e+22 Dyne-cm
Mxy	-7.445e+21 Dyne-cm
Mxz	-3.148e+21 Dyne-cm
Myy	3.164e+22 Dyne-cm
Myz	-5.325e+21 Dyne-cm
Mzz	-6.723e+21 Dyne-cm
Variance Reduction	74%
Version number	4
Solution time	2012/05/17 08:02:08 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	143	-167	87
NP2	52	-3	77

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