The British Geological Survey has received more than 100 reports from people who felt the earthquake, most of whom were within a 100km radius.
The epicentre of the earthquake in the Irish Sea was 15km away from Abersoch.
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Wales players have been tweeting their celebrations after last night's 1-0 win against Cyprus:
The Pro 12 season kicks off this evening with the Dragons and Ospreys both travelling to Ireland for their opening fixtures.
Use of plastic carrier bags has dropped by almost 75 per cent since the charge was introduced, according to a new report.