Hypocentral Location:

Event ID	73938626
Origin Time	2023/09/19 00:15:33
Latitude	37.4430
Longitude	-121.2875
Depth (TT)	0.9 km
Depth (MT; not authoritative)	8 km

Magnitudes:

Md	4.01 (not authoritative)
Ml	4.13 (not authoritative)
Mw	3.97 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.084	86.508	197.990
N	0.065	0.009	288.138
P	-1.149	3.492	18.138

Source Composition:

Type	Percent
DC	89
CLVD	11
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.12e+22 Dyne-cm
Mxx	-1.024e+22 Dyne-cm
Mxy	-3.568e+21 Dyne-cm
Mxz	-1.290e+21 Dyne-cm
Myy	-5.162e+20 Dyne-cm
Myz	-4.210e+20 Dyne-cm
Mzz	1.075e+22 Dyne-cm
Variance Reduction	79%
Version number	2
Solution time	2023/09/19 04:21:00 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	288	90	48
NP2	108	90	42

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