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. It shook Edo and an estimated 2,300 people were killed by the shaking and subsequent fires. The earthquake triggered a major tsunami which caused many casualties, giving a total death toll of at least 5,233, possibly up to 10,000. Genroku is a Japanese era spanning from 1688 through 1704.