Hypocentral Location:

Event ID	71405646
Origin Time	2010/05/28 15:22:26
Latitude	39.2148
Longitude	-123.0888
Depth (TT)	7.1 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.01 (not authoritative)
Ml	3.01 (not authoritative)
Mw	3.18 (authoritative)

Principal Axes:

Scale	1.0E+20 Dyne-cm
Axis	Value	Plunge	Azimuth
T	7.274	22.873	122.614
N	0.050	64.197	273.367
P	-7.324	11.300	27.778

Source Composition:

Type	Percent
DC	99
CLVD	1
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	7.30e+20 Dyne-cm
Mxx	-3.719e+20 Dyne-cm
Mxy	-5.708e+20 Dyne-cm
Mxz	-2.648e+20 Dyne-cm
Myy	2.861e+20 Dyne-cm
Myz	1.519e+20 Dyne-cm
Mzz	8.580e+19 Dyne-cm
Variance Reduction	50%
Version number	3
Solution time	2010/05/28 22:23:55 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	257	25	82
NP2	163	171	66

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