Hypocentral Location:

Event ID	51220793
Origin Time	2009/04/30 22:50:55
Latitude	37.2538
Longitude	-121.6383
Depth (TT)	5.5 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.64 (not authoritative)
Ml	3.72 (not authoritative)
Mw	3.51 (authoritative)

Deviatoric Solution:

Scale	10**21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	2.421	2	281
N	-0.213	87	69
P	-2.207	2	191

Source Composition:

Type	Percent
DC	82
CLVD	18
Iso	(null)

Moment Tensor:

Moment	2.31e+21 Dyne-cm
Scale	1.0e+21 Dyne-cm
Mxx	-2.038
Mxy	-0.862
Mxz	0.073
Myy	2.248
Myz	-0.103
Mzz	-0.210
Variance Reduction	75%

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	56	3	89
NP2	326	179	87

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