Did you feel an earthquake this afternoon in Swansea, Llanelli or another area of south-west Wales?
The British Geological Survey is asking people to share their experiences to help them build a better picture of the quake.
The map above, in its early stages, shows the intensity of the earthquake felt in different areas.
You can add your observations by visiting the British Geological Survey's website here.
More top news
There will be a number of road closures in place in Cardiff today as the British Speedway Grand Prix returns to the Welsh Capital.
Today will be a day of often heavy showers, with the risk of hail and thunder.
Heavy rain and strong winds will clear eastwards through this evening. However, scattered heavy showers will return in the southwest later.