Hypocentral Location:

Event ID	73943846
Origin Time	2023/09/30 17:16:48
Latitude	40.4980
Longitude	-124.4047
Depth (TT)	26.3 km
Depth (MT; not authoritative)	27 km fixed

Magnitudes:

Md	4.1 (not authoritative)
Ml	4.22 (not authoritative)
Mw	4.22 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	2.709	11.142	115.643
N	-0.007	73.981	248.956
P	-2.701	11.362	23.375

Source Composition:

Type	Percent
DC	99
CLVD	1
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	2.71e+22 Dyne-cm
Mxx	-1.699e+22 Dyne-cm
Mxy	-1.963e+22 Dyne-cm
Mxz	-7.004e+21 Dyne-cm
Myy	1.710e+22 Dyne-cm
Myz	2.578e+21 Dyne-cm
Mzz	-1.053e+20 Dyne-cm
Variance Reduction	83%
Version number	3
Solution time	2023/09/30 19:21:03 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	69	-16	90
NP2	160	-180	74

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