Hypocentral Location:

Event ID	71564061
Origin Time	2011/04/23 19:42:58
Latitude	38.8322
Longitude	-122.7943
Depth (TT)	1.8 km
Depth (MT; not authoritative)	5 km fixed

Magnitudes:

Md	3.04 (not authoritative)
Ml	2.91 (not authoritative)
Mw	3.38 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.513	4.990	126.172
N	-0.054	31.781	219.272
P	-1.460	57.737	28.222

Source Composition:

Type	Percent
DC	93
CLVD	7
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.49e+21 Dyne-cm
Mxx	1.770e+20 Dyne-cm
Mxy	-9.078e+20 Dyne-cm
Mxz	-6.393e+20 Dyne-cm
Myy	8.701e+20 Dyne-cm
Myz	-1.905e+20 Dyne-cm
Mzz	-1.047e+21 Dyne-cm
Variance Reduction	51%
Version number	1
Solution time	2011/04/24 04:03:52 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	62	-51	58
NP2	186	-134	49

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