Hypocentral Location:

Event ID	21397674
Origin Time	2004/09/22 10:57:36
Latitude	36.8013
Longitude	-121.5312
Depth (TT)	7.9 km
Depth (MT; not authoritative)	11 km fixed

Magnitudes:

Md	3.73 (not authoritative)
Mw	3.67 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	4.062	17.932	102.529
N	-0.148	59.940	226.525
P	-3.915	23.273	4.528

Source Composition:

Type	Percent
DC	93
CLVD	7
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	3.99e+21 Dyne-cm
Mxx	-3.127e+21 Dyne-cm
Mxy	-1.057e+21 Dyne-cm
Mxz	-1.630e+21 Dyne-cm
Myy	3.464e+21 Dyne-cm
Myz	1.096e+21 Dyne-cm
Mzz	-3.366e+20 Dyne-cm
Variance Reduction	72%
Version number	1
Solution time	2009/10/22 18:01:20 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	53	-30	86
NP2	145	-176	60

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