For weeks before subsidence destroyed a GAA club in Co Monaghan, between five and 11 million litres of water per day flowed into the mine beneath, says Caroline O’Doherty.

Galway, Clare and Roscommon are the counties where sinkholes and subsidence are most likely to occur, a location intelligence software and services provider has found.

Land subsidence is causing serious problems, including sewage back-up, in an unfinished housing estate in Co Kerry.