Hypocentral Location:

Event ID	72944701
Origin Time	2017/12/27 06:32:09
Latitude	37.3995
Longitude	-121.7452
Depth (TT)	9.0 km
Depth (MT; not authoritative)	11 km fixed

Magnitudes:

Md	3.84 (not authoritative)
Ml	3.98 (not authoritative)
Mw	3.9 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	8.667	10.958	280.969
N	0.415	78.623	85.163
P	-9.082	3.024	190.383

Source Composition:

Type	Percent
DC	91
CLVD	9
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	8.87e+21 Dyne-cm
Mxx	-8.460e+21 Dyne-cm
Mxy	-3.165e+21 Dyne-cm
Mxz	7.851e+20 Dyne-cm
Myy	7.773e+21 Dyne-cm
Myz	-1.422e+21 Dyne-cm
Mzz	6.866e+20 Dyne-cm
Variance Reduction	87%
Version number	2
Solution time	2017/12/27 06:52:00 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	56	10	84
NP2	325	174	80

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