Hypocentral Location:

Event ID	73952605
Origin Time	2023/10/28 05:40:19
Latitude	38.5548
Longitude	-119.5192
Depth (TT)	2.5 km
Depth (MT; not authoritative)	3.5 km fixed

Magnitudes:

Md	4.22 (not authoritative)
Ml	4.5 (not authoritative)
Mw	4.24 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	2.876	14.005	281.516
N	-0.141	48.129	27.673
P	-2.735	38.465	180.087

Source Composition:

Type	Percent
DC	90
CLVD	10
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	2.80e+22 Dyne-cm
Mxx	-1.618e+22 Dyne-cm
Mxy	-5.579e+21 Dyne-cm
Mxz	1.405e+22 Dyne-cm
Myy	2.586e+22 Dyne-cm
Myz	-6.921e+21 Dyne-cm
Mzz	-9.678e+21 Dyne-cm
Variance Reduction	78%
Version number	2
Solution time	2023/10/28 06:55:35 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	226	-39	74
NP2	328	-160	52

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