Hypocentral Location:

Event ID	71280691
Origin Time	2009/09/13 22:53:17
Latitude	37.8548
Longitude	-121.7720
Depth (TT)	13.8 km
Depth (MT; not authoritative)	14 km fixed

Magnitudes:

Md	3.21 (not authoritative)
Ml	3.13 (not authoritative)
Mw	3.21 (authoritative)

Principal Axes:

Scale	1.0E+20 Dyne-cm
Axis	Value	Plunge	Azimuth
T	7.610	1.150	109.716
N	1.146	76.273	15.002
P	-8.756	13.677	199.996

Source Composition:

Type	Percent
DC	74
CLVD	26
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	8.18e+20 Dyne-cm
Mxx	-6.374e+20 Dyne-cm
Mxy	-5.056e+20 Dyne-cm
Mxz	2.094e+20 Dyne-cm
Myy	5.779e+20 Dyne-cm
Myz	9.000e+19 Dyne-cm
Mzz	5.950e+19 Dyne-cm
Variance Reduction	46%
Version number	2
Solution time	2009/09/14 23:33:45 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	336	-169	81
NP2	244	-9	80

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