Hypocentral Location:

Event ID	340271
Origin Time	1993/03/16 03:59:27
Latitude	38.7895
Longitude	-122.7768
Depth (TT)	2.6 km
Depth (MT; not authoritative)	3.5 km fixed

Magnitudes:

Ma	3.43 (not authoritative)
Md	3.76 (not authoritative)
Mw	4.03 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.604	10.880	121.238
N	-0.494	74.787	256.216
P	-1.110	10.503	29.196

Source Composition:

Type	Percent
DC	38
CLVD	62
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.36e+22 Dyne-cm
Mxx	-4.039e+21 Dyne-cm
Mxy	-1.151e+22 Dyne-cm
Mxz	-2.982e+21 Dyne-cm
Myy	8.436e+21 Dyne-cm
Myz	2.787e+21 Dyne-cm
Mzz	-4.397e+21 Dyne-cm
Variance Reduction	70%
Version number	1
Solution time	2011/08/02 17:04:15 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	255	15	90
NP2	165	180	75

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