Mystery surrounds a strange tidal incident in West Cork on Saturday that saw at least two harbours almost drained and refilled in quick succession.
"There's parts of the bay that dried out, I'd never seen them like that before. I rowed over to another boat then it started flowing back out again in the space of a few minutes. He said: "I'd just come back in and it was a fairly calm and normal day. Then started filling again." There was a small one (magnitude 2.7) reported off Portugal at San Jorge Island at 8.32am on Saturday morning. "I watched at the bridge in Union Hall until around 5pm and saw it come in and out about five times.
Earthquake, tsunami or just freak weather conditions? One Cork-based expert gives us his verdict.
The usual rate of change of water is about 1 cm a minute," he said. There are a number of theories behind the cause of the strange phenomenon. "Itโs very dramatic how quick it happened.