Hypocentral Location:

Event ID	73551560
Origin Time	2021/04/19 18:50:59
Latitude	38.7543
Longitude	-122.7215
Depth (TT)	2.8 km
Depth (MT; not authoritative)	3.5 km

Magnitudes:

Md	3.88 (not authoritative)
Ml	4.11 (not authoritative)
Mw	3.98 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.208	4.579	314.979
N	-0.096	74.216	61.440
P	-1.111	15.071	223.743

Source Composition:

Type	Percent
DC	84
CLVD	16
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.16e+22 Dyne-cm
Mxx	5.718e+20 Dyne-cm
Mxy	-1.120e+22 Dyne-cm
Mxz	2.574e+21 Dyne-cm
Myy	9.960e+20 Dyne-cm
Myz	1.027e+21 Dyne-cm
Mzz	-1.568e+21 Dyne-cm
Variance Reduction	85%
Version number	2
Solution time	2021/04/19 19:30:07 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	268	-14	83
NP2	0	-172	76

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