Hypocentral Location:

Event ID	71566046
Origin Time	2011/04/26 17:43:08
Latitude	38.8127
Longitude	-122.8173
Depth (TT)	2.7 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.48 (not authoritative)
Ml	3.51 (not authoritative)
Mw	3.9 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	9.444	4.390	129.773
N	-1.280	77.827	240.624
P	-8.164	11.331	38.892

Source Composition:

Type	Percent
DC	73
CLVD	27
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	8.80e+21 Dyne-cm
Mxx	-9.261e+20 Dyne-cm
Mxy	-8.476e+21 Dyne-cm
Mxz	-1.556e+21 Dyne-cm
Myy	2.409e+21 Dyne-cm
Myz	-2.036e+20 Dyne-cm
Mzz	-1.482e+21 Dyne-cm
Variance Reduction	76%
Version number	2
Solution time	2011/04/26 17:55:37 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	84	-11	85
NP2	175	-175	79

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