A deep crack in the earth's surface is called a fault.
Fault
a fault
its called a "fissure"
Fault.
A deep crack in the earth's surface is called a fault.
the deep crack in the earth's surface is the rift
Fault
a fault
"Fissure" is one word meaning a crack in the surface of the Earth. Others are "fault" and "rift".
you should know this but here is the answer it is called the fault
A large crack in the Earth, formed by a river or an earthquake, would be called a canyon, such as the Grand Canyon, formed by the Colorado River. A smaller crack might be called a fissure.
Fault
fissure, volcano, ditch, valley.
It is called a geyser.
canyon
its called a "fissure"