Hypocentral Location:

Event ID	71509345
Origin Time	2011/01/13 04:00:36
Latitude	36.8028
Longitude	-121.5417
Depth (TT)	7.2 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	4.08 (not authoritative)
Ml	4.23 (not authoritative)
Mw	3.92 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	9.196	21.174	96.193
N	0.211	64.035	238.888
P	-9.406	14.326	0.516

Source Composition:

Type	Percent
DC	96
CLVD	4
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	9.30e+21 Dyne-cm
Mxx	-8.726e+21 Dyne-cm
Mxy	-9.192e+20 Dyne-cm
Mxz	-2.632e+21 Dyne-cm
Myy	7.932e+21 Dyne-cm
Myz	2.988e+21 Dyne-cm
Mzz	7.943e+20 Dyne-cm
Variance Reduction	71%
Version number	2
Solution time	2011/01/13 04:54:25 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	229	26	85
NP2	137	175	65

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