M 3.9 - 6km N of Petrolia, CA

2021-12-23 03:28:52 (UTC)
40.375°N 124.293°W
21.0 km depth

Moment Tensor (Mw)

Moment: 8.026e+14 N-m
Magnitude: 3.87 Mw
Depth: 21.0 km
Percent DC: 89%
Half Duration: -
Catalog: NC
Data Source: NC ²
Contributor: NC ²

Nodal Planes

Plane

Strike

Dip

Rake

NP1

317°

82°

-180°

NP2

227°

90°

-8°

Principal Axes

Axis

Value

Plunge

Azimuth

T

7.779e+14 N-m

6°

272°

N

0.473e+14 N-m

82°

45°

P

-8.252e+14 N-m

6°

181°