Hypocentral Location:

Event ID	71648616
Origin Time	2011/09/17 20:14:56
Latitude	38.8258
Longitude	-122.8037
Depth (TT)	2.9 km
Depth (MT; not authoritative)	3.5 km fixed

Magnitudes:

Md	2.96 (not authoritative)
Ml	3.02 (not authoritative)
Mw	3.38 (authoritative)

Principal Axes:

Scale	1.0E+20 Dyne-cm
Axis	Value	Plunge	Azimuth
T	15.130	13.872	126.963
N	-0.910	37.369	26.092
P	-14.220	49.264	233.626

Source Composition:

Type	Percent
DC	88
CLVD	12
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.47e+21 Dyne-cm
Mxx	2.562e+20 Dyne-cm
Mxy	-9.970e+20 Dyne-cm
Mxz	1.658e+20 Dyne-cm
Myy	5.067e+20 Dyne-cm
Myz	8.282e+20 Dyne-cm
Mzz	-7.630e+20 Dyne-cm
Variance Reduction	43%
Version number	1
Solution time	2011/09/19 19:50:48 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	9	-131	69
NP2	256	-31	45

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