Aylesbury experiences second 2.1 magnitude earthquake last night
It is likely that the earthquake was an 'aftershock' of the initial quake last week.
It registered 3.9 on the richter scale according to the met office, which is high for seismic events in the UK.
Between 20 to 30 earthquakes are felt by people in the UK each year, according to the BGS. Hundreds of smaller ones are also recorded by sensitive instruments.
The strongest recorded British earthquake struck Dogger Bank, off the coast of east England, in 1931, with a magnitude of 6.1. The quake’s epicentre was 60 miles offshore, but it was still powerful enough to cause minor damage to some buildings.