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
In the second of our special series Welsh education: Making the grade? we visited Bishop Hedley High in Merthyr Tydfil.
More wintry showers will continue overnight and a yellow warning of ice has been issued for central and eastern parts.
Swansea Dry Dock says it's missed out on a number of contracts to dismantle warships because they've gone elsewhere.