1854 Tōkai earthquake

The 1854 Tōkai earthquake was the first of the Ansei great earthquakes (1854–1855). It occurred at about 09:00 local time on 23 December 1854. It had a magnitude of 8.4 and caused a damaging tsunami. More than 10,000 buildings were destroyed and several thousand people were killed. It was the first of the three Ansei great earthquakes; the 1854 Ansei-Nankai earthquake of similar size hit southern Honshu the following day.