Hypocentral Location:

Event ID	73472896
Origin Time	2020/10/20 01:58:50
Latitude	39.3658
Longitude	-123.2443
Depth (TT)	7.5 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.69 (not authoritative)
Ml	3.46 (not authoritative)
Mw	3.79 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	5.533	44.430	276.325
N	0.892	44.821	83.284
P	-6.425	6.563	179.849

Source Composition:

Type	Percent
DC	72
CLVD	28
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	5.98e+21 Dyne-cm
Mxx	-6.300e+21 Dyne-cm
Mxy	-2.402e+20 Dyne-cm
Mxz	1.086e+21 Dyne-cm
Myy	3.230e+21 Dyne-cm
Myz	-2.308e+21 Dyne-cm
Mzz	3.071e+21 Dyne-cm
Variance Reduction	62%
Version number	3
Solution time	2020/10/20 17:06:02 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	56	39	66
NP2	308	150	55

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