Finally, the structure may also cause subsidence in the local geology.
Extraction of water from the valley floor aquifer is likely to cause subsidence and damage to buildings.
Some have caused subsidence in living history, for instance at Jacqueline Close.
Whether or not this human interference has caused subsidence is a topic of debate.
The town had several iron ore mines and excessive mining caused subsidence.
This was caused by the reduction in the number of the tower's legs; the increased pressure on each leg caused subsidence.
If underground mine tunnels collapse, this can cause subsidence of land surfaces.
Sadly, the mining caused dangerous subsidence to the castle and it had to be demolished in 1938.
At that time, groundwater pumping under the city center was causing severe subsidence.
Some tunnels have caused subsidence in living history.
