Hypocentral Location:

Event ID	73138600
Origin Time	2019/02/06 18:23:02
Latitude	40.8448
Longitude	-123.8408
Depth (TT)	26.1 km
Depth (MT; not authoritative)	30 km

Magnitudes:

Md	4.2 (not authoritative)
Ml	4.37 (not authoritative)
Mw	4.39 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	4.777	27.470	100.205
N	0.151	57.708	245.555
P	-4.928	15.634	1.839

Source Composition:

Type	Percent
DC	94
CLVD	6
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	4.85e+22 Dyne-cm
Mxx	-4.440e+22 Dyne-cm
Mxy	-7.860e+21 Dyne-cm
Mxz	-1.653e+22 Dyne-cm
Myy	3.673e+22 Dyne-cm
Myz	1.821e+22 Dyne-cm
Mzz	7.665e+21 Dyne-cm
Variance Reduction	80%
Version number	3
Solution time	2019/02/06 19:58:44 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	233	31	82
NP2	138	171	59

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