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British Geological Survey said it was a 'rare and unusual' event
The British Geological Survey has confirmed a magnitude 4 earthquake off the west coast of Ireland.

It occurred shortly before 9am, 60km off the Mayo coast.

A spokesperson for the British Geological Survey said it was a "rare and unusual" event.

But he said that it has happened before and added that around 200 small earthquakes happen around Ireland every year.

Locals in a number of areas on the west coast reported feeling earth tremors this morning.

There have been reports of some structural damage but this has not been confirmed.