Hypocentral Location:

Event ID	71438156
Origin Time	2010/07/27 21:21:40
Latitude	39.4982
Longitude	-123.1250
Depth (TT)	6.8 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.12 (not authoritative)
Ml	3.12 (not authoritative)
Mw	3.36 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.497	17.370	106.507
N	-0.268	41.976	0.163
P	-1.229	42.910	213.411

Source Composition:

Type	Percent
DC	64
CLVD	36
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.36e+21 Dyne-cm
Mxx	-4.975e+20 Dyne-cm
Mxy	-6.749e+20 Dyne-cm
Mxz	2.569e+20 Dyne-cm
Myy	1.054e+21 Dyne-cm
Myz	7.460e+20 Dyne-cm
Mzz	-5.562e+20 Dyne-cm
Variance Reduction	68%
Version number	1
Solution time	2010/07/28 17:43:05 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	346	-134	74
NP2	240	-22	46

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