No. Earth is the only planet known to have fault lines. but as we exploe new planets we may find some
Fault lines
Fault lines are simply where cracks appear in the earth's crust from the movement of the plates.
Yes, Europa is a good example. Despite being a moon not a planet per say, it is covered in cracks and faults created by moving ices along the surface. Exoplanets in places likely behave similarly or have lines gettup like Earth's. Other planets like Venus have what is known as a static surface without fault lines only lava with a surface that moves up or down.
fault lines
Fault lines
Fault Lines
earthquakes
an earthquake
Earth is looser at the fault lines.
Earthquakes with "Faults" or "Fault Lines"
There is really no "average" fault because all of the fault lines on the earth join together. There are names for different sections of the fault lines, most notably the one in the Pacific Ocean called the mid-Pacific oceanic ridge.
earthquakes often occur near fold mountains because fold mountains are formed on the earth's fault lines ( invisble lines in the earth's crust) and earthquakes happen when two fault lines crash together.