Hypocentral Location:

Event ID	73618286
Origin Time	2021/08/31 08:01:11
Latitude	40.2815
Longitude	-124.4012
Depth (TT)	32.4 km
Depth (MT; not authoritative)	33 km fixed

Magnitudes:

Md	3.58 (not authoritative)
Mh	3.4 (not authoritative)
Ml	3.68 (not authoritative)
Mw	4 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.187	19.823	264.676
N	0.148	70.171	86.057
P	-1.335	0.440	354.835

Source Composition:

Type	Percent
DC	78
CLVD	22
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.26e+22 Dyne-cm
Mxx	-1.314e+22 Dyne-cm
Mxy	2.178e+21 Dyne-cm
Mxz	-4.210e+20 Dyne-cm
Myy	1.047e+22 Dyne-cm
Myz	-3.290e+21 Dyne-cm
Mzz	2.672e+21 Dyne-cm
Variance Reduction	74%
Version number	3
Solution time	2021/08/31 15:44:46 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	308	165	76
NP2	42	14	76

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