The British Geological Survey says there was an earthquake in North Wales last night.
It had a magnitude of 2.3 and struck at 10:41pm.
It was felt in Caernarfon, Anglesey, Porthmadog and Bangor...
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Workers on the First Great Western service are set to walk out from Wednesday evening until the start of services on Saturday morning.
It's a dull and dreary start to the day for much of Wales, but hang on in there - things can only get better!
Some very wet weather will sink it's way south and east overnight, with mist and murk developing around coasts.