Hypocentral Location:

Event ID	73553370
Origin Time	2021/04/23 11:18:41
Latitude	39.5257
Longitude	-123.0365
Depth (TT)	7.4 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.46 (not authoritative)
Ml	3.33 (not authoritative)
Mw	3.91 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	8.934	9.748	274.576
N	0.378	73.223	39.315
P	-9.312	13.519	182.209

Source Composition:

Type	Percent
DC	92
CLVD	8
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	9.12e+21 Dyne-cm
Mxx	-8.716e+21 Dyne-cm
Mxy	-1.014e+21 Dyne-cm
Mxz	2.315e+21 Dyne-cm
Myy	8.622e+21 Dyne-cm
Myz	-1.338e+21 Dyne-cm
Mzz	9.400e+19 Dyne-cm
Variance Reduction	86%
Version number	3
Solution time	2021/04/23 18:23:43 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	228	-17	87
NP2	319	-177	73

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