The crack stays there.
An Earthquake
A large crack in the ground is called a fault which is caused by and earthquake.
a couple miles
Possibly, but usually they just 'crack'. Sinking only applies to certain mountains that appear as flatlands. For most mountains, they are made due to the folding of the crust. If the earthquake happens to loosen the pressure, then yes it may 'unfold' over time.
If you are talking about an earthquake, the focus right above it is the epicenter
An Earthquake
Yes, an in ground pool can crack during an earthquake if it is close enough to the earthquake.
It may rise of fall, shift to one side, tilt, crack, or have no apparent change.
A large crack in the ground is called a fault which is caused by and earthquake.
you can hide uder desks and tables or under door frames when an earthquake happens. there might be an aftershock so be careful. another thing you should know is get out when the earthquake stops.
A fissure
yes it did
yes it did
a couple miles
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.
It may possibly crack.
the deep crack in the earth's surface is the rift