Hypocentral Location:

Event ID	71530230
Origin Time	2011/03/01 02:19:47
Latitude	38.8153
Longitude	-122.8200
Depth (TT)	2.3 km
Depth (MT; not authoritative)	3.5 km fixed

Magnitudes:

Md	3.91 (not authoritative)
Ml	3.93 (not authoritative)
Mw	4.43 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	6.162	3.083	96.747
N	-1.437	27.417	5.146
P	-4.724	62.381	192.655

Source Composition:

Type	Percent
DC	53
CLVD	47
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	5.44e+22 Dyne-cm
Mxx	-2.005e+22 Dyne-cm
Mxy	-1.035e+22 Dyne-cm
Mxz	1.270e+22 Dyne-cm
Myy	6.001e+22 Dyne-cm
Myz	7.010e+21 Dyne-cm
Mzz	-3.996e+22 Dyne-cm
Variance Reduction	79%
Version number	8
Solution time	2012/10/06 02:10:37 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	343	-125	54
NP2	213	-52	48

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