Hypocentral Location:

Event ID	73947830
Origin Time	2023/10/16 10:20:50
Latitude	40.3157
Longitude	-124.0548
Depth (TT)	31.1 km
Depth (MT; not authoritative)	36 km

Magnitudes:

Md	4.99 (not authoritative)
Ml	4.38 (not authoritative)
Mw	4.83 (authoritative)

Principal Axes:

Scale	1.0E+23 Dyne-cm
Axis	Value	Plunge	Azimuth
T	2.170	2.465	91.156
N	-0.010	75.103	190.468
P	-2.160	14.682	0.509

Source Composition:

Type	Percent
DC	99
CLVD	1
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	2.16e+23 Dyne-cm
Mxx	-2.021e+23 Dyne-cm
Mxy	-6.176e+21 Dyne-cm
Mxz	-5.290e+22 Dyne-cm
Myy	2.165e+23 Dyne-cm
Myz	8.896e+21 Dyne-cm
Mzz	-1.441e+22 Dyne-cm
Variance Reduction	88%
Version number	7
Solution time	2023/10/17 19:56:42 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	45	-12	81
NP2	137	-171	78

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