Hypocentral Location:

Event ID	21397068
Origin Time	2004/09/20 16:51:05
Latitude	38.0277
Longitude	-118.6425
Depth (TT)	2.2 km
Depth (MT; not authoritative)	5 km fixed

Magnitudes:

Md	4.55 (not authoritative)
Mw	4.67 (authoritative)

Principal Axes:

Scale	1.0E+23 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.468	17.904	288.166
N	-0.434	70.639	131.325
P	-1.034	7.127	20.481

Source Composition:

Type	Percent
DC	41
CLVD	59
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.25e+23 Dyne-cm
Mxx	-7.847e+22 Dyne-cm
Mxy	-7.037e+22 Dyne-cm
Mxz	1.044e+22 Dyne-cm
Myy	1.048e+23 Dyne-cm
Myz	-5.546e+22 Dyne-cm
Mzz	-2.638e+22 Dyne-cm
Variance Reduction	74%
Version number	1
Solution time	2009/10/22 18:13:17 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	333	162	83
NP2	66	8	72

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