Hypocentral Location:

Event ID	21415559
Origin Time	2004/10/29 18:02:55
Latitude	38.8177
Longitude	-122.7912
Depth (TT)	2.5 km
Depth (MT; not authoritative)	3.5 km fixed

Magnitudes:

Md	3.73 (not authoritative)
Ml	3.81 (not authoritative)
Mw	3.98 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.423	2.302	294.747
N	-0.525	42.130	202.663
P	-0.898	47.777	27.287

Source Composition:

Type	Percent
DC	26
CLVD	74
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.16e+22 Dyne-cm
Mxx	-3.173e+21 Dyne-cm
Mxy	-8.080e+21 Dyne-cm
Mxz	-1.319e+21 Dyne-cm
Myy	1.044e+22 Dyne-cm
Myz	-1.559e+21 Dyne-cm
Mzz	-7.264e+21 Dyne-cm
Variance Reduction	73%
Version number	3
Solution time	2013/01/11 00:11:54 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	172	-141	60
NP2	59	-36	56

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