1960 Valdivia earthquake
The 1960 Valdivia earthquake () or Great Chilean earthquake ("Gran terremoto de Chile") of 22 May is the most powerful earthquake ever recorded. Various studies have placed it at 9.4–9.6 on the moment magnitude scale. It occurred in the afternoon (19:11 GMT, 15:11 local time), and lasted approximately 10 minutes. The resulting tsunami affected southern Chile, Hawaii, Japan, the Philippines, eastern New Zealand, southeast Australia and the Aleutian Islands.
Dogger Bank
The 1931 Dogger Bank earthquake took place below the bank, measuring 6.1 on the Richter scale and was the largest earthquake ever recorded in the United Kingdom. Its hypocentre was beneath the bank, and the quake was felt in countries all around the North Sea, causing damage across eastern England.