Probably due to poor support.
Collapse the cavern
The noun 'cave-in' is a singular, common, concrete, compound noun.The compound noun 'cave-in' is made up of the verb 'cave' and the adverb 'in' to form a noun meaning the a place where the earth has collapsed or the collapse of a structure; a word for a thing.The term 'cave in' can also be a verb+adverb or a noun+preposition, depending on use.Examples:The street was closed due to a sidewalk cave-in.(compound noun)They refused to cave in to the workers demands. (verb+adverb)The mummies were discovered in a cave in Chile. (noun+preposition)
The noun 'cave-in' is a singular, common, concrete, compound noun.The compound noun 'cave-in' is made up of the verb 'cave' and the adverb 'in' to form a noun meaning the a place where the earth has collapsed or the collapse of a structure; a word for a thing.The term 'cave in' can also be a verb+adverb or a noun+preposition, depending on use.Examples:The street was closed due to a sidewalk cave-in.(compound noun)They refused to cave in to the workers demands. (verb+adverb)The mummies were discovered in a cave in Chile. (noun+preposition)
The collapse of the mine was supposedly caused by an earthquake.
A sinkhole is the term used to describe a depression in the ground caused by a cave collapse. It can also be the result of acidic water dissolving limestone.
Doline or Shakehole - the names given to the resulting depression if the collapse extends to the surface.Within the cave a collapse is often simply called that - "collapse", the result being a pile of boulders that may fill the passage completely, forming a boulder choke. (also boulder ruckle in the UK at least - possibly cavers' regional dialect.)
A doline or shake-hole - and depending on the nature of both cave and collapse it can create an entrance to the cave.
Steep-sided depressions that form when the roof of a cave collapses are called sinkholes. They can develop gradually or suddenly, often due to the dissolution of underground rock layers, which weakens the ground above them and leads to a collapse.
Doline or Shakehole - the names given to the resulting depression if the collapse extends to the surface.Within the cave a collapse is often simply called that - "collapse", the result being a pile of boulders that may fill the passage completely, forming a boulder choke. (also boulder ruckle in the UK at least - possibly cavers' regional dialect.)
it was we it and then it weight of 17 people and they were shakeing they caused it to collapse
The word may be any of several names, such as Kevin/Kevan. The similar common term is "cave-in" -- a collapse within a cave, mine, or cavern.
Shakehole or Sinkhole - when the collapse extends to the surface. (Not all cave roof collapses disturb the surface above.)