Hypocentral Location:

Event ID	73821636
Origin Time	2022/12/20 15:09:06
Latitude	40.6005
Longitude	-124.0688
Depth (TT)	22.5 km
Depth (MT; not authoritative)	27 km

Magnitudes:

Md	3.9 (not authoritative)
Ml	3.43 (not authoritative)
Mw	3.99 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.155	9.665	92.538
N	0.085	22.717	358.450
P	-1.240	65.096	204.058

Source Composition:

Type	Percent
DC	86
CLVD	14
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.20e+22 Dyne-cm
Mxx	-1.090e+21 Dyne-cm
Mxy	-1.335e+21 Dyne-cm
Mxz	4.543e+21 Dyne-cm
Myy	1.084e+22 Dyne-cm
Myz	3.833e+21 Dyne-cm
Mzz	-9.750e+21 Dyne-cm
Variance Reduction	63%
Version number	1
Solution time	2022/12/21 00:05:30 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	344	-117	58
NP2	208	-54	41

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