Hypocentral Location:

Event ID	21399972
Origin Time	2004/09/26 15:54:06
Latitude	36.1642
Longitude	-120.6495
Depth (TT)	0.5 km
Depth (MT; not authoritative)	5 km fixed

Magnitudes:

Md	3.76 (not authoritative)
Ml	3.71 (not authoritative)
Mw	3.7 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	4.165	76.610	71.462
N	0.389	9.900	294.306
P	-4.553	8.924	202.735

Source Composition:

Type	Percent
DC	83
CLVD	17
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	4.36e+21 Dyne-cm
Mxx	-3.693e+21 Dyne-cm
Mxy	-1.658e+21 Dyne-cm
Mxz	9.689e+20 Dyne-cm
Myy	-1.498e+20 Dyne-cm
Myz	1.099e+21 Dyne-cm
Mzz	3.843e+21 Dyne-cm
Variance Reduction	71%
Version number	1
Solution time	2009/10/22 17:32:53 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	121	102	55
NP2	281	73	37

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