Hypocentral Location:

Event ID	73503450
Origin Time	2020/12/27 14:44:40
Latitude	39.5058
Longitude	-122.0177
Depth (TT)	26.4 km
Depth (MT; not authoritative)	27 km

Magnitudes:

Md	3.99 (not authoritative)
Ml	3.65 (not authoritative)
Mw	3.86 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	7.917	18.444	279.557
N	-0.664	45.260	169.890
P	-7.253	38.960	25.203

Source Composition:

Type	Percent
DC	83
CLVD	17
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	7.58e+21 Dyne-cm
Mxx	-3.713e+21 Dyne-cm
Mxy	-2.799e+21 Dyne-cm
Mxz	-2.487e+21 Dyne-cm
Myy	6.123e+21 Dyne-cm
Myz	-3.912e+21 Dyne-cm
Mzz	-2.410e+21 Dyne-cm
Variance Reduction	78%
Version number	3
Solution time	2021/01/20 21:56:03 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	157	-137	77
NP2	55	-17	48

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