Hypocentral Location:

Event ID	21392343
Origin Time	2004/08/31 09:12:28
Latitude	36.5882
Longitude	-121.1842
Depth (TT)	6.5 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.74 (not authoritative)
Mw	3.77 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	5.643	3.176	90.078
N	-0.107	77.256	194.282
P	-5.536	12.329	359.383

Source Composition:

Type	Percent
DC	96
CLVD	4
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	5.59e+21 Dyne-cm
Mxx	-5.288e+21 Dyne-cm
Mxy	4.800e+19 Dyne-cm
Mxz	-1.133e+21 Dyne-cm
Myy	5.624e+21 Dyne-cm
Myz	3.303e+20 Dyne-cm
Mzz	-3.370e+20 Dyne-cm
Variance Reduction	84%
Version number	1
Solution time	2009/10/23 05:23:27 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	44	-11	84
NP2	135	-173	79

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