Fault line and Geological fault

Fault line noun - (geology) line determined by the intersection of a geological fault and the earth's surface.

Geological fault and fault line are semantically related. in line of rock displacement topic. In some cases you can use "Geological fault" instead a noun phrase "Fault line".

Geological fault noun - (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other.

Fault line and geological fault are semantically related. Sometimes you can replace phrase "Fault line" with "Geological fault", this phrases are similar.