Hypocentral Location:

Event ID	73838976
Origin Time	2023/01/28 23:56:59
Latitude	40.5325
Longitude	-124.3560
Depth (TT)	21.8 km
Depth (MT; not authoritative)	21 km fixed

Magnitudes:

Md	3.76 (not authoritative)
Ml	3.82 (not authoritative)
Mw	3.7 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	4.825	22.564	283.494
N	-0.681	67.380	107.758
P	-4.144	1.513	14.123

Source Composition:

Type	Percent
DC	72
CLVD	28
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	4.48e+21 Dyne-cm
Mxx	-3.680e+21 Dyne-cm
Mxy	-1.884e+21 Dyne-cm
Mxz	3.667e+20 Dyne-cm
Myy	3.553e+21 Dyne-cm
Myz	-1.920e+21 Dyne-cm
Mzz	1.269e+20 Dyne-cm
Variance Reduction	65%
Version number	1
Solution time	2023/01/29 00:42:39 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	327	163	75
NP2	61	15	73

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