People have reported houses shaking after a 3.3 magnitude earthquake struck southern England.
The British Geological Survey's (BGS) tracker shows a quake measuring 3.3 on the Richter Scale rumbled beneath Leighton Buzzard, Bedfordshire.
The epicentre was 3km north west of the town at a depth of 10km.
After the tremors at around 9.45am on Tuesday, many took to social media to report feeling shaking as far as Milton Keynes and High Wycombe.
Usha Chapman, from Luton, said: “I was on a video call with my mum when I felt a sideways push. The door rattled and the TV fixed to the wall also rattled. It lasted for five seconds.”
Twitter user Dave wrote: "The whole house just shook. Anyone know what just happened in Leighton Buzzard?"
Mark Randall tweeted: "Wow! Just felt a huge shockwave through my house and the walls shook. I’m in Aston Clinton, Buckinghamshire."
User Holly Norton added: "Yikes! We just had an earthquake here...R thought it was one of the girls shaking herself in the hallway, and I thought he'd fallen down the stairs. We were both wrong."
BGS said it had received "many" reports of the minor earthquake's impact, including people likening it to a "convey of HGVs driving past my front door at great speed” and "a large explosion”.
Others had reported that “the house had one dramatic shake”, BGS said.
Bedfordshire Police said no injuries had been reported. The force tweeted: “Our control room are currently experiencing a large number of calls due to an earthquake which was felt across the county.
"We have currently received no reports of any injuries or major structural damage.”
A spokesman for Bucks and Milton Keynes Fire service said it had received "three 999 calls reporting minor earthquake at about 9.45am".
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The European-Mediterranean Seismological Centre (EMSC) reported a 3.9 magnitude quake 20km west of Luton, but the BGS confirmed it measured 3.3 magnitude.
Only 20 to 30 earthquakes are felt by people in Britain each year, and a few hundred smaller ones are recorded by sensitive instruments. Most measure far below 5.5 on the Richter scale, the threshold for more destructive quakes.