Hypocentral Location:

Event ID	71278336
Origin Time	2009/09/09 18:45:52
Latitude	36.9022
Longitude	-121.6322
Depth (TT)	4.9 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.4 (not authoritative)
Ml	3.65 (not authoritative)
Mw	3.56 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	2.445	34.122	99.637
N	-0.153	55.684	272.729
P	-2.292	3.218	7.454

Source Composition:

Type	Percent
DC	88
CLVD	12
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	2.37e+21 Dyne-cm
Mxx	-2.200e+21 Dyne-cm
Mxy	-5.681e+20 Dyne-cm
Mxz	-3.208e+20 Dyne-cm
Myy	1.542e+21 Dyne-cm
Myz	1.174e+21 Dyne-cm
Mzz	6.580e+20 Dyne-cm
Variance Reduction	80%
Version number	2
Solution time	2009/09/09 19:25:40 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	239	28	69
NP2	138	157	64

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