Hypocentral Location:

Event ID	73886856
Origin Time	2023/05/12 02:54:45
Latitude	40.2122
Longitude	-121.1097
Depth (TT)	-1.3 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Md	3.8 (not authoritative)
Ml	3.87 (not authoritative)
Mw	3.79 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	6.425	24.058	46.295
N	-0.675	16.486	308.703
P	-5.750	60.217	187.565

Source Composition:

Type	Percent
DC	79
CLVD	21
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	6.09e+21 Dyne-cm
Mxx	9.208e+20 Dyne-cm
Mxy	2.794e+21 Dyne-cm
Mxz	3.995e+21 Dyne-cm
Myy	2.397e+21 Dyne-cm
Myz	2.199e+21 Dyne-cm
Mzz	-3.318e+21 Dyne-cm
Variance Reduction	82%
Version number	2
Solution time	2023/05/12 03:38:55 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	303	-107	71
NP2	167	-49	26

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