Hypocentral Location:

Event ID	30500293
Origin Time	2003/12/22 21:31:36
Latitude	35.7077
Longitude	-121.0662
Depth (TT)	4.9 km
Depth (MT; not authoritative)	5 km

Magnitudes:

Md	4.32 (not authoritative)
Ml	4.33 (not authoritative)
Mw	4.2 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	2.227	66.570	343.349
N	0.478	17.318	119.366
P	-2.705	15.284	214.254

Source Composition:

Type	Percent
DC	65
CLVD	35
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	2.47e+22 Dyne-cm
Mxx	-1.292e+22 Dyne-cm
Mxy	-1.454e+22 Dyne-cm
Mxz	1.280e+22 Dyne-cm
Myy	-4.375e+21 Dyne-cm
Myz	2.728e+21 Dyne-cm
Mzz	1.729e+22 Dyne-cm
Variance Reduction	65%
Version number	1
Solution time	2009/10/16 20:15:34 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	110	70	62
NP2	328	123	33

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