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.
1935 Shinchiku-Taichū earthquake
The 1935 Shinchiku-Taichū earthquake occurred with a Richter magnitude of 7.1 (7.0 M) in April 1935 with its epicenter in Shinchiku Prefecture, Japanese Taiwan (modern day Taichung). It was the deadliest earthquake in Taiwan's recorded history, claiming 3,276 lives and causing extensive damage. Twelve seconds after the mainshock, an aftershock of 6.0 occurred, centered on "Gabi Village" (present-day Emei Township, Hsinchu County).