fissure, volcano, ditch, valley.
the deep crack in the earth's surface is the rift
A deep crack in the earth's surface is a fault It can also be a joint.
Cracks in the Earth's crust are faults.
a rift, crevice, or canyon depending on the depth.
"Fissure" is one word meaning a crack in the surface of the Earth. Others are "fault" and "rift".
A deep crack in the earth's surface is called a fault.
the deep crack in the earth's surface is the rift
a fault
canyon
A deep crack in the earth's surface is a fault It can also be a joint.
a fault
the deep crack in the earth's surface is the rift
A deep crack in the earth's surface is a fault It can also be a joint.
the deep crack in the earth's surface is the rift
A volcanic fault is a deep crack in the earth.
it is called a crevase
A deep crack in the Earth's surface beginning with "ch" could refer to a chasm. A chasm is a deep, narrow opening in the earth, usually caused by geological processes like erosion or tectonic activity. Examples of famous chasms include the Grand Canyon and the Gorge du Verdon in France.