UK earthquakes (Richter Scale measurements)
6.1 Biggest ever recorded, about 120km off Great Yarmouth, 1931
5.4 Biggest on land in Lleyn, north Wales, 1984
5.1 In Bishop's Castle, Shropshire, 1990
4.3 In Folkestone, Kent, 2007
4.2 In Warwick, 2000
4.1 In Melton Mowbray, Leicestershire, 2001
Biggest in the world:
9.5 Chile, 1960, killed 2,000
8.3 California, 1906, killed 3,000
8.3 China, 1976, killed 240,000
7.9 India, 2001, killed 25,000