Hypocentral Location:

Event ID	21385203
Origin Time	2004/07/31 10:35:54
Latitude	36.6387
Longitude	-121.2583
Depth (TT)	10.2 km
Depth (MT; not authoritative)	11 km fixed

Magnitudes:

Md	3.55 (not authoritative)
Mw	3.46 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.916	18.097	94.182
N	0.035	71.207	257.988
P	-1.952	4.899	2.577

Source Composition:

Type	Percent
DC	96
CLVD	4
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.93e+21 Dyne-cm
Mxx	-1.924e+21 Dyne-cm
Mxy	-2.122e+20 Dyne-cm
Mxz	-2.094e+20 Dyne-cm
Myy	1.722e+21 Dyne-cm
Myz	5.462e+20 Dyne-cm
Mzz	2.024e+20 Dyne-cm
Variance Reduction	77%
Version number	1
Solution time	2009/10/22 02:55:46 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	230	16	81
NP2	137	170	74

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