Hypocentral Location:

Event ID	21324916
Origin Time	2003/12/23 11:40:36
Latitude	35.6905
Longitude	-121.1068
Depth (TT)	6.9 km
Depth (MT; not authoritative)	8 km

Magnitudes:

Md	4.01 (not authoritative)
Ml	4.18 (not authoritative)
Mw	3.87 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	7.232	48.493	333.661
N	1.596	26.798	98.465
P	-8.828	29.059	204.764

Source Composition:

Type	Percent
DC	64
CLVD	36
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	8.03e+21 Dyne-cm
Mxx	-2.983e+21 Dyne-cm
Mxy	-4.014e+21 Dyne-cm
Mxz	6.525e+21 Dyne-cm
Myy	6.856e+20 Dyne-cm
Myz	6.128e+20 Dyne-cm
Mzz	2.298e+21 Dyne-cm
Variance Reduction	64%
Version number	1
Solution time	2009/10/19 00:59:51 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	93	63	79
NP2	343	158	29

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