Hypocentral Location:

Event ID	73499875
Origin Time	2020/12/18 16:13:42
Latitude	40.4312
Longitude	-124.2292
Depth (TT)	25.8 km
Depth (MT; not authoritative)	27 km

Magnitudes:

Md	3.69 (not authoritative)
Ml	3.47 (not authoritative)
Mw	3.97 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.160	10.352	96.765
N	-0.085	72.429	331.535
P	-1.076	14.039	189.383

Source Composition:

Type	Percent
DC	85
CLVD	15
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.12e+22 Dyne-cm
Mxx	-9.760e+21 Dyne-cm
Mxy	-2.910e+21 Dyne-cm
Mxz	2.042e+21 Dyne-cm
Myy	1.079e+22 Dyne-cm
Myz	2.566e+21 Dyne-cm
Mzz	-1.027e+21 Dyne-cm
Variance Reduction	78%
Version number	3
Solution time	2021/01/11 17:58:39 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	323	-163	87
NP2	233	-3	73

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