Hypocentral Location:

Event ID	71444246
Origin Time	2010/08/10 02:12:31
Latitude	39.8765
Longitude	-120.4807
Depth (TT)	7.1 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.43 (not authoritative)
Ml	3.51 (not authoritative)
Mw	3.45 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.867	11.045	254.228
N	0.039	50.891	358.121
P	-1.906	36.942	155.788

Source Composition:

Type	Percent
DC	96
CLVD	4
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.89e+21 Dyne-cm
Mxx	-8.644e+20 Dyne-cm
Mxy	9.253e+20 Dyne-cm
Mxz	7.584e+20 Dyne-cm
Myy	1.461e+21 Dyne-cm
Myz	-7.139e+20 Dyne-cm
Mzz	-5.966e+20 Dyne-cm
Variance Reduction	65%
Version number	2
Solution time	2010/08/10 02:31:41 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	200	-36	73
NP2	302	-160	56

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