Hypocentral Location:

Event ID	337179
Origin Time	1993/02/15 18:04:24
Latitude	38.7865
Longitude	-122.7590
Depth (TT)	1.0 km
Depth (MT; not authoritative)	1.5 km fixed

Magnitudes:

Ma	3.43 (not authoritative)
Md	3.71 (not authoritative)
Mw	3.88 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	8.851	1.612	114.464
N	-1.289	76.940	17.496
P	-7.562	12.957	204.835

Source Composition:

Type	Percent
DC	71
CLVD	29
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	8.21e+21 Dyne-cm
Mxx	-4.458e+21 Dyne-cm
Mxy	-6.090e+21 Dyne-cm
Mxz	1.126e+21 Dyne-cm
Myy	6.055e+21 Dyne-cm
Myz	8.353e+20 Dyne-cm
Mzz	-1.596e+21 Dyne-cm
Variance Reduction	74%
Version number	1
Solution time	2011/08/02 17:01:27 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	340	-170	82
NP2	249	-8	80

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