1703 Genroku earthquake
| Local date | December 31, 1703 |
|---|---|
| Local time | 02:00 |
| Magnitude | 8.2 Ms |
| Epicenter | 34°42′N 139°48′E / 34.7°N 139.8°E |
| Areas affected | Tokyo, Japan |
| Tsunami | yes |
| Casualties | 5,233–200,000 |
The 1703 Genroku earthquake (元禄大地震, Genroku Daijishin) occurred at 02:00 local time on December 31 (17:00 December 30 UTC). The epicenter was near Edo, the forerunner of present-day Tokyo, in the southern part of the Kantō region, Japan. An estimated 2,300 people were killed by the destruction and subsequent fires. The earthquake triggered a major tsunami which caused many additional casualties, giving a total death toll of at least 5,233, possibly up to 200,000. Genroku is a Japanese era spanning from 1688 through 1704.