Stunned residents were woken up by the quake in areas including Dorking, Brockham, Reigate, Crawley and Epsom.
One on Twitter, Kate Chapman, said: “Never did I think that I would be woken by an earthquake in Dorking, but I swear that is what just happened.
“I woke to my bed moving and I could hear the whole house shaking for a split second. So bizarre.”
Some reports have placed the magnitude at 3.7, while others place it slightly lower than that.
The British Geological Survey has not yet tweeted about the earthquake.
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